Finally I got hold of some money to upgrade my PC.
Can anyone tell me the best way to upgrade my current PC..

MB - Asus P5B Deluxe
CPU - Intel Core2Duo E6300
RAM - 1*2GB Transcend 533mhz
GPU - BIG 7600GS 256MB
SMPS - UMAX 550W
Monitor - Viewsonic VG1930wm
HDD - Seagate 250GB

I was wondering if it is enough if i upgrade only the GPU to a ATI HD4850, will my smps support this card?

I want to upgrade my PC within the price range of 15-17k, I'm a Gamer/Learning Animator (3dsmax).