One of my credit cards (Providian) has a free FICO score that updates once a month and has tips to 'understand, track, and manage it' which is pretty cool but 'TransUnion' is the only source they mention... So even though I can watch my score bounce around... I have NO clue what Equifax and Experian think of my sorry ass
Providian recently merged with Washington Mutual (a.k.a. WAMU) so you can either go to: wamucards.com OR providianservices.com if you wanna check it out.