Help with finding CPU and RAM

I just went to frys to get a new graphics card a new processor and more ram. When i got one i found out the only one of the 3 that worked for my mobo was the graphics card ><. So i need help finding a processor and 2gb's of ram on Frys that my mobo supports.
Mobo Information
Thanks,
Michael B.

RAM support: 2x 184-pin DDR-400/333 SDRAMs, Upto 2GB (Dual channel)

GP Reccommend: Go for 2 x 1gig sticks of DDR400 PC3200 (184 pin) of a brand in your choice.(my preference is corsair or kingston)

CPU support: Socket 939 support AMD Athlon 64 FX/ Athlon 64 X2 Dual-Core/ Athlon 64 processor, FSB 2000/1600/1200/800/400 MT/s

GP Reccommend: Athlon 64 X2 Dual-Core!

Good Luck!