hows this config and a question.

I created a configuration that looks good to me, but I do not know anything about computers. What do y'all think?

Specifications:
Chassis: Digital Storm x15 8690 (Weight: 7.38 LBS)
Display: 15.6 inch HD+ LED Display with Enhanced Super Glossy Surface (Resolution: 1600 x 900)
Exterior Finish: - Standard Factory Finish
Processor: Intel Core i5-520M Clarksfield 2.4GHz (3MB Cache) (Dual Core)
System Memory: 4GB DDR3 at 1066MHz (High-Performance)changed to 2gig for second config
Inputs: USB 2.0 Ports / Gigabit Ethernet LAN / V.92 Modem / 1394 FireWire / 7-in-1 Card Reader / eSATA
Main Storage: 80GB (5400RPM) (SATA Laptop Hard Drive)
Extra Storage: - No Thanks
Raid Options: - No Thanks
Optical Drive: DVD/CD 8x Multi-Drive (Writes and Reads DVDs, CDs)
Wireless Access: Intel 6300AGN 802.11 A/B/G/N Wireless LAN Module
Features: Integrated Video Camera / Bluetooth
Outputs: HDMI 1080P / DVI Port / SPDIF Audio / Headphone / Microphone
Video Card(s): ATI Mobility Radeon HD 5870 1GBcan this be the geforce gts 250??
External TV Tuner: - No Thanks
Windows OS: Microsoft Windows 7 Home Premium (64-Bit Edition)
Restore Kit: Digital Storm Specialized Recovery System (DVD Image Based)
Protection: - No Thanks
Office Suite: - No Thanks
Benchmarking: - No Thanks
Install/Test Game: FREE: Hot-selling game with a NVIDIA GeForce GTS 250 or above graphics card
Carry Bag: Standard Carrying Bag
External Cooling: - No Thanks
External Keyboard: - No Thanks
External Mouse: - No Thanks
External Speakers: - No Thanks
External Storage: - No Thanks
Full Warranty: 3 Year Platinum Care Labor & 1 Year Parts Warranty

The question is, why wont the form let me choose a different graphics card?

Post Script: Yes, I am trying to make a good first impression.


Edit: have one with one difference, it is marked in blue.

Edited by pupdum - 20 Jun 2010 at 8:03pm