Thanks for your input. I have selected the below components. I appreciate that all may not be "top notch", but would appreciate comments.
Asus M3A78,Asus 8600GT 512MB DDR3 Silent PCI-E, Western Digital 250GB Caviar SE16 SATA II, Western Digital 500GB Caviar SE16 SATA II, AMD CPU AM2 5200 Dual Core Athlon 64 Socket AM2 940 PIN, 3 GB Samsung Original DDR2 800 PC6400 RAM.
You are correct, missed that, thanks for confirming. I have changed my choice, to save a few pounds. As you will see from my post of the 26/11, choice is now mobo Asus M3A78, AMD CPU AM2 5200 Dual Core Athlon 64, Socket AM2 940 PIN. I think that these are compatible!