am3 mother board

I am planning to upgrade my old PC (P4 2.66GHz, Intel 865G motherboard,..). I am having three IDE devices in my old PC(one HDD and two Disk Drives). I need suggestion on buying a new motherboard. I'm looking forward to buy a AMD Sempron processor. The motherboard must have at least one IDE port...

1. What is the purpose of the computer? What all applications and games are you going to run? (Stupid answers like 'gaming' or 'office work' will not work. Be exact. Which games? Which applications? Avoid the word 'et cetera.') Ans: fps latest games with some civilization 5, cod latest, at low...