Should I buy this one or can I get a better one for the price ? (Acer, 800$)

Here's the link

Display

• Screen Size 15.6 Inches

• Native Screen Resolution 1366 x 768

• LED Backlit Display Yes

Processor

• Processor Type Intel Core i7-2670QM

• Processor Cores 4

• Processor Speed 2.2 GHz

• Processor Cache 6 MB L3

Storage & Memory

• Hard Drive Capacity 1 TB

• Hard Drive Speed (Revolutions Per Minute) 5400 rpm

• RAM Size 8 GB

• RAM Type DDR3 SDRAM

• RAM Speed 1066 MHz

• RAM Slots 2 (0 Available)

• Built-in Memory Card Reader Yes

• Memory Card Reader - Compatible Memory Type SD; MMC

Graphics

• Graphics Chipset NVIDIA GeForce GT 540M

• Video Memory Configuration Dedicated

• Dedicated Video Memory Size 2 GB

• Wireless Display (WiDi) Capable Yes

I'm a casual gamer, would I be able to run games on medium-high setting with this one ?