New PC for multimedia projects and a bit of gamming.

I just brought this one, love to here what u guys think about it.

I havnt paid for it yet as i brought it from my friend...so..still Ive time to change the parts

Intel Core 2 Duo 6400
Intel DG965SS Motherboard
1 x 2 GB DDR2 533 Mhz RAM
400 GB SATA HDD
Sony DVDRW
Leadteck nVida 7600GT 256 MB gfx card
500W PSU
Viewsonic 17" LCD


btw..how much does a 2 GB DDR2 1066 MHz Ram module costs?