New computer

Hey guys well i finally have my own place. This means its time to buy a new computer!! *yaaaaaay* Anyhoo ide like to get as many good parts as i can and bring them to this store that will put it all together since im sure in my infinite wisdom i will fuck it up. So if anyone knows what parts i should get that are like compatible you should lemme know. Im looking for
-dual graphic cards
-dual core cpu
-mother board
-guess il go with ddr3 ram
-some kinda hardrive
-tower
-liquid cooling system or any good cooling system
-power supply
-network card

so if theres anyone here who knows about this stuff and ya got a little free time help a brotha outa ya?

http://www.tomshardware.com/

Tom's Hardware is the best place for hardware reviews.
There r also list of parts tht would give the best computer for whatever price range your looking for.