Which motherboard should I get?
Depends on your budget and what you want to do with it really
what ram should I get?
dosn't REALLY matter.. depends on if your oc'ing or not
What PSU should I get?
cant really help you here lol. just dont get a cheap cheap one or use one that comes with a case
Do I need to buy wires separately?
depends on what wires your talking about? most come with the PSU
depends on personal preference really.
youl need one, unless you have one from a previous build you want to use. Those dont really have alot in differences so..
so sorry if that dosnt help much lol but it depends on budget.. and im new to this