Here's my 24/7 setup:

e4300 @ 3.2ghz
Asus P5Q-Pro
Mushkin 4gb PC2 6400 @ 854mhz
Diamond 4850 @ 160/500 2D, 680/1080 3D
Samsung Spinpoint F1 HD103UJ, 2x400gb Samsung HD400LJ (external)
Creative X-Fi Music
Samsung SH-S223F