Here is what I found: newegg was not always the best price but the most reliable. I did search and search and search but did not want to get parts from too many different places and I ended by buying them all from newegg.
Also, I always been sort of confused on video cards. Well there is one thing I wont do again is buy a ATI !!!! Never had problem with my GForce but did in the past with an ATI. I let a friend convence me to get that and I regret. Next video upgrade, I'm going back to a good GForce.
You should be able to get a GREAT PC for under $1200 I would think. Depend on how crazy you want to get. If you start thinking "water cool" then send me pictures when you are done !!!

Hope this help.
I build 3 month ago a 3.2GHZ dual Processor Pentium4 MSI Neo 945p motherboard. 1G of DDR2 5300, ATI crappy video card and a lot of fan. Love it.