Need Help Deciding for a Laptop!

I'm Looking for a gaming laptop, which I can use in college as well. It should have decent battery life (id hope for around 4-5 hours) and I want to be able to play games like COD on high quality with no lag My budget is around $2000. Here are my current choices. (These are customized specs)

HP Envy 17

Operating system - Genuine Windows 7 Home Premium 64-bit

Processor - Intel(R) Core(TM) i7-840QM processor (1.86GHz, 8MB L3 Cache) with Turbo Boost up to 3.2 GHz

Graphics card - 1GB ATI Mobility Radeon(TM) HD 5850 Graphics [HDMI]

Memory - 6GB DDR3 System Memory (2 Dimm) **NOTE** I can go to 8 GB but i dont think its necessary...opinions)

Hard drive - 500GB 7200RPM Hard Drive with HP ProtectSmart Hard Drive Protection

Primary battery - 50% OFF! One 6 Cell (standard) and One 9 Cell (over-sized) Lithium Ion Battery

Display - 17.3" diagonal Full HD HP Ultra BrightView Infinity LED Display (1920x1080)

Primary optical drive - SuperMulti 8X DVD+/-R/RW with Double Layer Support (Slot Load)

Dell Studio XPS 16

PROCESSOR - NEW 2010 Intel® Core™ i7-840QM Quad Core Processor 1.86GHz (3.2GHz Turbo Mode, 8MB Cache)

OPERATING SYSTEM Genuine Windows® 7 Home Premium, 64bit, English

MEMORY 6GB Shared Dual Channel DDR3 at 1333MHz (Again upgradable to 8gb, but is it necessary)

HARD DRIVE 320GB 7200 RPM SATA Hard Drive

INTERNAL OPTICAL DRIVE Slot Load Blu-ray Disc (BD) Burner (Writes to DVD/CD/BD)

WIRELESS CARDS Intel® 5300 WLAN Wireless-N (3x3) Mini Card

HD DISPLAY Edge-to-Edge FHD Widescreen 15.6 inch WLED LCD (1920x1080) W/2.0 MP

BLUETOOTH Dell Wireless 370 Bluetooth Module (2.1+EDR)

Network Card Integrated 10/100 Network Card

VIDEO CARD ATI Mobility Radeon™ HD 5730 - 1GB

BATTERY OPTIONS 85 WHr 9-cell Lithium Ion Primary Battery

SOUND OPTIONS High Definition Audio 2.0 with SRS Premium Sound


I was looking into Toshiba Qosmio, but i supposed that would be heavy... Out of these two, which one would be better? and which other laptops would you prefer?

Out of the two that you have there, I'd shoot for the Dell in terms of reliability.

Bump...