I'm not sure where I would value it. Maybe the $400 range? Here's some rough comp's so you can judge for yourself:
MyPremiereCreditCard com $20,000 11/1/2005 SnapNames
CashbackCreditCards com $11,000 2/27/2006 AfterNic
FreeCreditReportBureau com $1,099 12/6/2005 AfterNic
TheCardGuy com $900 3/9/2006 AfterNic
TescoClubCard com $500 2/1/2006 Sedo
GoodCreditRatings com $450 9/22/2005 AfterNic
BadCreditLawFirm com $399 2/10/2006 AfterNic
CleanUpBadCredit com $399 2/22/2006 AfterNic
CCreditReport com $150 12/21/2005 AfterNic
If you want to search more comp's, sent me a PM and I'll give you the site.
Cheers,
BidNo