ok so for my new build i am having a hard time picking out what motherboard and ram to go with lol
The CPU im getting is
AMD Phenom II X4 955 Black Edition Deneb 3.2GHz Socket AM3 125W
im looking for the best motherboard for performace and Overclocking Under 185 bucks
Is there a big different between ddr2 and ddr3 dual channel? if so what motherboard/ddr3 ram combo will make the best performance? i dont want to spend more then 150 for ram and i need at least 4gb of it. imma keep searching so any input or ideas

thanks guys