SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.  20549

SCHEDULE 13D/A
        (Amendment No. 17)
Under the Securities and Exchange Act of 1934

 BlackRock Insured Municipal 2008 Term Trust, Inc.
(BRM)
(Name of Issuer)

Common Stock
(Title of Class of Securities)

09247k109
(CUSIP Number)

George W. Karpus, President
Karpus Management, Inc. d/b/a
Karpus Investment Management
183 Sullys Trail
Pittsford, New York 14534
(585) 586-4680

(Name, Address, and Telephone Number of Person Authorized to Receive Notices
and Communications)

February 10, 2004
(Date of Event which Requires Filing of this Statement)

If the person has previously filed a statement on Schedule 13G to report the
acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1 (b) (3) or (4), check the following box. [ ]

(Page 1 of 5 pages)
There are no exhibits.














ITEM 1	Security and Issuer
		Common Stock
		Blackrock Insured Municipal 2008 Term Trust, Inc.
		Blackrock Financial Management  L. P.
		345 Park Ave.
		31 St. floor
		New York, New York 10154
ITEM 2	Identity and Background
		a) Karpus Management, Inc. d/b/a Karpus Investment Management
		(?KIM?)
		George W. Karpus, President, Director and Controlling Stockholder
		JoAnn VanDegriff, Vice President and Director
		Sophie Karpus, Director
		b) 183 Sullys Trail
		Pittsford, New York 14534
		c) Principal business and occupation - Investment Management for
		individuals, pension and profit sharing plans, corporations,
		endowments, trust and others, specializing in conservative asset
		management (i.e. fixed income investments).
		d) None of George W. Karpus, JoAnn Van Degriff, or Sophie Karpus
		(?the Principals?) or KIM has been convicted in the past five years of
		any criminal proceeding (excluding traffic violations).
		e) During the last five years none of the principals or KIM has been a party
		to a civil proceeding as a result of which any of them is subject to a
		judgment, decree or final order enjoining future violations of or
		prohibiting or mandating activities subject to, federal or state
		securities laws or finding any violation with respect to such laws.
		f) Each of the Principals is a United States citizen.
		KIM is a New York corporation.
ITEM 3	Source and Amount of Funds or Other Considerations
		KIM, an independent investment advisor, has accumulated shares of BRM
		on behalf of accounts that are managed by KIM (?the Accounts?) under
		limited powers of attorney.  All funds that have been utilized in making
		such purchases are from such Accounts.
ITEM 4	Purpose of Transaction
		KIM has purchased Shares for investment purposes.  Being primarily a
		fixed income manager, with a specialty focus in the closed end fund
		sector, the profile of BRM fit the investment guidelines for various
		Accounts.  Shares have been acquired since September 28, 1998.
ITEM 5 	Interest in Securities of the Issuer
a) As of the date of this Report, KIM owns 2,504,548 shares, which
represents 9.21 % of the outstanding Shares.  Karpus Management, Inc.
      owns 7,150 shares purchased on April 10, 2002 at a price of $15.73
per share (900 shares), April 11 at $15.78 (400 shares), April 25 at $15.91,
April 26 at $15.93 (200 shares), April 30 at $15.97 (200 shares), May 1 at
$15.97 (300 shares), May 2 and 3 at $15.96 (850 shares), July 12 at
$16.19 (600 shares), and January 26, 2004 at $17.44 (3500 shares). George
Karpus presently owns 63,800 shares purchased on December 8, 1999 at
$13.63 (6000 shares), December 9 at $13.50 (7000 shares), August 17,
2001 at $15.65 (1,000 shares), August 22 at $15.68 (9,000 shares),
November 13 at $15.90 (5,000 shares), February 11, 2002 at $15.88 (5000
shares), April 18 at $15.83 (1,500 shares), May 21 at $15.97 (5,000
shares), July 11 at $16.20 (10,000 shares), August 12 at $16.43 (5,000
shares), August 13 at $16.41 (5,000 shares), August 14 at $16.44 (7,900
shares), and August 15 at $16.43 (2,100 shares).  He sold on January 17,
2001 at $15.67 (1,800 shares), January 18 at $15.69 (3,700 shares), and
January 31 at $15.73 (200 shares).  Jo Ann Van Degriff owns 9,000 shares
purchased on June 29, 2001 at $15.53 (2000 shares), April 18, 2002 at
$15.83 (1,500 shares), May 9 and 10 at $15.90 (1,000 shares), November
13 at $16.54 (2500 shares), and October 14, 2002 at $16.39 (2000 shares).
Sophie Karpus presently owns 50 shares purchased on September 18 and
19, 2001 at $15.76 per share (250 shares), and February 20, 2003 at $16.72
(500 shares) and sold on December 23, 2002 at $16.48 (100
shares), January 2, 2003 at $16.51 (100 shares), March 14 at $17.13 (50
shares), March 25 at $16.97 (150 shares), March 26, 27, and 28 at
$16.98 (150 shares), April 8 at $16.89 (100 shares), and April 15 at $16.91
(50 shares).  None of the other Principals presently owns shares.
		b) KIM has the sole power to dispose of and to vote all of such Shares
		under limited powers of attorney.
c) The first open market purchase occurred on September 28, 1998 as
previously reported.  Open market purchases for the last 60 days for
the Accounts.   There have been no dispositions and no acquisitions,
other than by such open market purchases, during such period.
DATE
SHARES
PRICE PER

DATE
SHARES
PRICE PER


SHARE



SHARE
12/3/2003
-31000
17.41

1/2/2004
500
17.20
12/4/2003
-1000
17.42

1/8/2004
1000
17.33
12/8/2003
2000
17.44

1/8/2004
-650
17.35
12/9/2003
13700
17.42

1/9/2004
-1550
17.39
12/9/2003
-16600
17.42

1/12/2004
-250
17.44
12/10/2003
10700
17.38

1/12/2004
10100
17.43
12/15/2003
-500
17.14

1/20/2004
-2800
17.58
12/15/2003
1000
17.11

1/21/2004
-1600
17.49
12/16/2003
-50
17.04

1/26/2004
9100
17.42
12/16/2003
33980
17.05

1/30/2004
-750
17.47
12/17/2003
10900
17.04




12/17/2003
-500
17.04




12/18/2003
15400
17.05




12/19/2003
10800
17.06




12/19/2003
-5400
17.06




12/22/2003
-50
17.11




12/22/2003
2000
17.12




12/23/2003
19100
17.08




12/24/2003
-4600
17.14




12/26/2003
-5000
17.14




12/29/2003
4000
17.23




12/30/2003
2000
17.22




12/31/2003
1000
17.26




      The Accounts have the right to receive all dividends from, any proceeds
		from the sale of the Shares.  KIM reserves the right to further accumulate
		or sell shares. None of the Accounts has an interest in shares constituting
		more than 5% of the Shares outstanding.



ITEM 6	Contracts, Arrangements, Understandings, or Relationships with Respect
		to Securities of the Issuer.
		Except as described above, there are no contracts, arrangements,
		understandings or relationships of any kind among the Principals and KIM
		and between any of them and any other person with respect to any of BRM
		securities.
ITEM 7	Materials to be Filed as Exhibits
	             Not applicable.























Signature
	After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete,
and correct.
						Karpus Management, Inc.




February 10, 2004 		        	       By:________________________
         Date						       Signature
				               Joann Van Degriff,  Senior Vice President
            Name/Title