looking for friendly advice

0k to start, I’m not a forum guy, therefore I found need in something and this my first post, ever. So if I’ve done anything wrong please just tell me, don’t insult me. Ok, that said, I’m going to be building my first computer, and have had approximately 3 weeks of intoxicated studying on what I want, which is basically something better than an Xbox 360. I’m here looking for exactly what I want, and if you can help i will be ever greatful, so much so if you can find me the parts for cheaper, I’ll send you 1/3 of the difference. I know it may wind out to 30 cents, but i"ll do it. My questions are basically, have enough ram to work, do I have the right starter wattage, do I NEED anything I don’t have on the list, should I get more fans, you know basically guide me so I don’t burn out or even blow up my expensive new baby. Things like me getting a second graphics card right away, super ram, or anything I can wait a year to get, I would ...