Need Help!

Hey man.. Finally giving some though into making a new computer..
(making as in getting it from simlim.. not taking a piece of wood.. sanding it, then put lacuer, then sanding it again,etcetc)

So I need help from the masters (KD) and their Sidekicks(JC and OM). What exactly do i need to make a computer?

I know that I need a
Motherboard (Brand?)
HDD (I got the 120GB one from tis computer)
Processor(Brand?)
Soundcard(I want a good one, so… creative?)
Graphics Card(Brand? How much will this set me back?)
DVD/RWFirewire/USB/Multicard Slots
Bluetooth
Apple huge ass Flat screen Monitor
What else is there?