Should I get the HP Envy 14, HP Envy 17, or the HP Pavilion dv7t Quad Edition?

I'll be going to college next year, so I'm looking for a laptop that's good for student life. I'm also into gaming so that's important too... and it'd be nice if the laptop is lightweight. Thanks!

HP ENVY 17 customizable Notebook PC
* Genuine Windows 7 Home Premium 64-bit
* Intel(R) Core(TM) i5-460M Dual Core Processor (2.53 GHz, 3MB L3 Cache) with Turbo Boost up to 2.8GHz
* 1GB ATI Mobility Radeon(TM) HD 5850 Graphics [HDMI]
* 6GB DDR3 System Memory (2 Dimm)
* 640GB 7200RPM Hard Drive with HP ProtectSmart Hard Drive Protection
* No Additional Office Software
* 6 Cell Lithium Ion Battery (standard) - Up to 2.25 hours of battery life +++
* 17.3" diagonal HD+ HP BrightView Infinity LED Display (1600 x 900)
* SuperMulti 8X DVD+/-R/RW with Double Layer Support (Slot Load)
* HP TrueVision HD Webcam
* Intel Wireless-N Card with Bluetooth
* Backlit Keyboard
* Adobe(R) Photoshop(R) Elements 8 & Adobe Premiere(R) Elements 8
* HP Home & Home Office Store in-box envelope

HP Pavilion dv7t Quad Edition customizable Notebook PC
* Genuine Windows 7 Home Premium 64-bit
* 2nd generation Intel(R) Core(TM) i7-2630QM (2 GHz, 6MB L3 Cache) with Turbo Boost up to 2.9 GHz
* 1GB ATI Mobility Radeon(TM) HD 6570 graphics [HDMI, VGA]
* FREE Upgrade to 6GB DDR3 System Memory (2 Dimm)
* FREE Upgrade to 750GB 5400RPM Hard Drive with HP ProtectSmart Hard Drive Protection
* No Additional Office Software
* No additional security software
* 6-Cell Lithium-Ion Battery (standard) - Up to 3.0 hours of battery life +++
* 17.3" diagonal HD+ HP BrightView LED Display (1600 x 900)
* SuperMulti 8X DVD+/-R/RW with Double Layer Support
* HP TrueVision Webcam with Integrated Digital Microphone + HP SimplePass Fingerprint Reader
* Intel 802.11b/g/n WLAN
* Standard Keyboard
* HP Home & Home Office Store in-box envelope

* Genuine Windows 7 Home Premium 64-bit
* Intel(R) Core(TM) i3-370M Dual Core processor (2.40GHz, 3MB L3 Cache)
* 4GB DDR3 System Memory (2 Dimm)
* 320GB 7200RPM SATA Hard Drive with HP ProtectSmart Hard Drive Protection
* 1GB ATI Mobility Radeon(TM) HD 5650 switchable graphics [HDMI] - For Dual Core Processors
* 14.5" diagonal HD+ HP Radiance Infinity LED Display (1600x900)
* SuperMulti 8X DVD+/-R/RW with Double Layer Support (Slot Load)
* HP TrueVision HD Webcam + Dual Digital Integrated Microphones
* Intel Wireless-N Card with Bluetooth
* No additional security software
* Corel(R) PaintShop Photo(TM) Pro X3 + Corel(R) VideoStudio(R) Pro X3
* Backlit Keyboard
* Two 8 Cell Lithium Ion Batteries
* Microsoft(R) Office Starter 2010
* HP Home & Home Office Store in-box envelope

HP Envy 14 = $999.99
HP Envy 17 = $1299.99
HP Pavilion dv7t QE = $1099.99