i had the samething not too long ago and they just sent me another one with greater offer but through Discover logo with some cash back and some other great benefit and APR.....i still hold on to it since i dont really want another credit card right now but who know.....anw...my score range about samething with you 664 so i guess that;s their score target and take many as they want........good luck with the apps if you go for it thou and im sure its alway goiing to be hard pull..
Starting Score: 560