URGENT HELP new i7 build in the next 48 hours

i am building a new i7 computer. i have no idea what connectors i need for it or what parts are needed and i want this computer build to be somewhat future proof and be able to play all games on high with programs running in the background.

stuck between the i7 950
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

and the 920 core.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

someone help me build a pc. my current pc died on me today and now im using a bad laptop. help is appreciated. budget is around 1000 dollars but can go up to 1300ish