i been using ud5 b3 its mostly cpu you have to bin or buy ones that oc which i did after 2 2600k
but i lik asus but didnt have themoney for a m4e so got the ud5 been a sold board untill i tryed to flash the back up bios...
but never going to try that again lol
even seen ud4 oc good think only reason i got the 5 was it has the power button