I recently purchased the GA-P55-UD4P. My previous build was an ASUS mobo, however after some tinkering down the line I cracked it. I heard from forums that Gigabyte boards were more durable and decided to give that a try. I can tell you it is true, Gigabyte is built up better. You might not need to get the UD4P if you dont think you will ever get two graphics cards, UD4 would work out ok.