You can also add or upgrade components as you wish:

High Profile Case (Included) + $0more info...

Low Profile Case + $10more info...

Intel Core i3-540 3.06ghz (Included) + $0 more info...

Intel Core i3-560 3.33ghz +$29 more info...

4GB DDR3 (Included) + $0 more info...

8GB DDR3 + $26 more info...

250GB SATA 3.0Gb/s 3.5" (Included) + $0 more info...

500GB SATA 3.0Gb/s 3.5" + $63 more info...

1TB SATA 3.0Gb/s 3.5" + $85 more info...

2TB SATA 3.0Gb/s 3.5" + $110 more info...

DVD Drive (included) +$0 more info...

DVD Drive/Burner $5 more info...

Blu-ray Drive w/ Power DVD + $121 more info...

Blu-ray Drive/DVD Burner w/ Power DVD + $145 more info...

No Tuner Upgrade + $0 more info...

Dual HD Tuner +$110 more info...

Quad HD Card Tuner + $295 more info...

Basic NIC (Included) - No WiFi + $0.00 more info...

Wireless Card - 300Mbps + $50.00 more info...

No Card Reader Upgrade + $0 more info...

68-in-1 Card Reader + $10 more info...

No WebCam Upgrade + $0.00 more info...

Webcam & Microphone + $40.00 more info...

No Controller upgrade + $0 more info...

Wireless Small Keyboard with Touchpad + $40 more info...

Wireless Mini Keyboard with Optical Pointer + $65 more info...