that way i wont have to spend 39 bux for a memory card

http://hardware.teamxbox.com/reviews/xbox-360/61/SanDisk-Cruzer-Crossfire-USB-Flash-Drive/p1/

No, as far as I know the only way is to bend over and buy a MS memory card. At least you get 512 now, I had to buy a 64MB when my first 360 died since that was all they had. It does come in handy if you plan on having multiple 360s though.