Building my first comp. - have a few questions

[Extunarian]

Good advice here and I'd also recommend building it yourself. I like Newegg for hardware purchases or my local Microcenter.

Most importantly, as someone stated above, if/when something goes wrong it is best to get help and don't try to jury rig anything. The time you might save is not worth the time lost in RMAing all the crap you fried.