PS3 has blu-ray DVD ROM.
360 has DVD ROM (HD DVD ROM is add-on accessories)

PS3 has 60GB hard disk.
360 has 20GB hard disk.

I'd go for PS3 all the way. There is no denying 360 has the edge at the moment, but wait till next year end sales profit result. Sure this year PS3 lost the battle, but not the war.

Unless, blu-ray lost to HD DVD, then Sony is pucked.