Notebook Valuation. Please Help.?

I am planning on purchasing this Dell Inspiron E1705 for $2,200 dollars, which comes with only one way warranty.
I need a laptop that plays games, really cool games, like the latest ones, but I want to know if this laptop is a rip off.
Intel® Core™ 2 Duo T7200 (2.00GHz, 4MB L2 Cache, 667 MHz FSB
1.
Windows home premium
17 inch UltraSharp™ Wide Screen UXGA Display with TrueLife™
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2GB Shared Dual Channel DDR2 SDRAM at 533MHz
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160GB 5400 RPM SATA Hard Drive
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8x CD/DVD burner (DVD+/-RW) with double-layer DVD+R write capability
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256MB NVIDIA® GeForce™ Go 7900 GS
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Integrated Sound Blaster® Audigy™HD Software Edition
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External USB TV Tuner w/Remote Control
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Dell Wireless 1390b/g (54Mbps)