need help looking for gaming laptop?

hello fellow gamers I am looking for a affordable gaming laptop and I came across this one
HP Brushed Aluminum 17.3" Pavilion dv7-4069wm Laptop PC with AMD Phenom II N830 Processor & Windows 7 Home Premium

Here are some specs of this laptop. also what do the mean by switchable graphics.

Display Display Type: 17.3" TFT Widescreen Display: Yes Max Resolution: 1600 x 900 Processor Multi-Core Technology: Triple-Core Processor: AMD Phenom II N830 / 2.1 GHz Cache Memory Type: L2 cache Installed Size: 1.5 MB Storage Hard Drive: 640 GB - Serial ATA-150 - 7200 rpm RAM Installed Size: 4 GB / 8 GB (max) Technology: DDR3 SDRAM Optical Storage Type: DVD±RW (±R DL) / DVD-RAM / BD-ROM Networking Data Link Protocol: Ethernet, Fast Ethernet, Gigabit Ethernet, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n Wireless LAN Supported: Yes Video Graphics Processor / Vendor: ATI Mobility Radeon HD 5470 Audio Audio Input: Microphone Operating System / Software OS Provided: Microsoft Windows 7 Home Premium 64-bit Edition Software: Microsoft Internet Explorer, HP MediaSmart Suite, Adobe Flash Player, Adobe Reader, Skype, Norton Internet Security 2010 (60 days subscription), Microsoft Silverlight, CyberLink DVD Suite, Windows Live Messenger, Microsoft Office 2007 Home and Student Edition (60 days trial), Windows Live Photo Gallery, Windows Live Mail, Windows Live Writer, HP Recovery Manager, HP Support Assistant, HP QuickWeb Battery Technology: 9-cell lithium ion Installed Qty: 1 Capacity: 93 Wh Product Dimensions Width: 16.3 in Height: 1.5 in Depth: 10.8 in Weight: 8.2 lbs Embedded Security: Fingerprint reader Card Reader Supported Flash Memory Cards: SD Memory Card, Memory Stick, Memory Stick PRO, MultiMediaCard, xD-Picture Card Miscellaneous Features: Security lock slot (cable lock sold separately), power-on password More Information Model No.: dv7-4069wm Shipping Weight (in pounds): 10.55 Product in Inches (L x W x H): 10.8 x 16.35 x 1.46 Assembled in Country of Origin: Imported Origin of Components: Imported Wal-Mart No.: 000528372

Any input would help. this is what's in my price range right now.

If you are gonna want to game with a laptop don't buy hp. check this out.

comes with a high end gaming card is only $100 more than hp one. Hp comes with a low end entry gaming card. There are other cheaper and still more powerful laptops in the ROG line up of asus. This site tells you more about laptop video cards.

Whats with everyone and saying don't get HP..IvanElk