need help with parts

Hi, im looking at replacing some parts from my pc, that will run games for a few years.

Im looking at the following parts could you tell me if they will work together or if i should change some:

Gigabyte GA-MA69VM-S2 http://www.amazon.co.uk/gp/product [...] e=&seller=

AMD Athlon 64 X2 5000+ http://www.ebuyer.com/product/1356 [...] e=extended

Nvidia 8800 GT, 512MB http://www.xtsit.com/browse/produc [...] 11873&sr=2

(x2) Kingston 1gb DDR2 800mhz/PC2-6400 Non-ecc CL5 http://www.ebuyer.com/product/120446

And i am using the same HD and CD drive from my pc at the moment:
LG GSA-4167B 16x Super multi DVD/CD rewriter
80gb maxtor 6V080E0 SATA drive

so will these run or will i have to change some?

help?

cool cheers for advice : )