which motherboard asus gigabyte

[Richlife]

hi all
im looking at upgrading computer and need help

looking at
asus p5k-e
ga-p35-ds3p


want to play games like c&c 3 and redalert 3 when it comes out

i play my music from computer sending it to a amp in house and outside

any ideas on what sort of board

are these good boards for this

any help would be great

thanks