To be honest, your best bet is to buy a brand new Xbox. May I suggest to you to you the Splinter Cell Conviction Xbox 360 package? It is a black console with 2 wireless controllers(black as well) and a 250GB HDD. Either that or get the Final Fantasy XIII package (everything is white).
Each one comes with the respective game
It's for my 12 year old son and it's his second one... He has one at his mom's house too. I really want to keep the price down... I am considering replacing the Mother Board, CPU and all the gutts. What do you think? I have a 4 controllers, the cables and a 120GB Hard Drive... I think I can do it for about $100. Do you think it will work?