what is bottlenecking my system most?

[JackBurton]

GeForce 260 (http://www.newegg.com/Product/Product.aspx?Item=N82E16814130433)
ASUS P6T Deluxe Intel X58 (http://www.newegg.com/Product/Product.aspx?Item=N82E16813131365)
Intel Core i7 920 (http://www.newegg.com/Product/Product.aspx?Item=N82E16819115202)
12GB 1333 DDR3 Memory (http://www.newegg.com/Product/Product.aspx?Item=N82E16820227401)
850w Power Supply with older 2by2pin graphics cables (http://www.newegg.com/Product/Product.aspx?Item=N82E16817341003)
Western Digital Raptor 150GB 10,000RPM (http://www.newegg.com/Product/Product.aspx?Item=N82E16822136296)
28" 3ms Monitor (http://www.newegg.com/Product/Product.aspx?Item=N82E16824254026)

Thanks EaTCarbs

[EaTCarbS]

Your HDD. Upgrade to an SSD and feel the awesome.

[jstanthr]

^ i 2nd the ssd, and if your boxing a bit better gfx card may help as well