New Laptop

Ok, basely i want to get a laptop which is capable of playing DOWII, Empire: Total War and Star craft 2 when it comes out. Very smoothly if possible

The spec for these games are:

GFX: GeForce 8000 or Radeon 2000 series with 512Mb RAM
CPU: Core 2 Duo or Athlon X2
RAM: 2Gb
Internet: ADSL 3 Mbit

Operating System: Windows XP 32(service pack 2), Windows Vista 32 OS.
Processor: 2.4 GHz Single Core Intel or AMD equivalent proc

* Windows XP SP2 or Windows Vista SP1
* AMD Athlon 64x2 4400+ or any Intel Core 2 Duo
* 2 GB RAM (XP and Vista)

I have spoken to our people as well and they told me that i should get something on the lines of...
XP Serivce pack 2 (dont go vista for obv reasons)
2GB Ram
Intel Core 2 Duo 2.4Ghz or higher
GeForce 8000 or Radeon 2000 series with 512Mb RAM

All i have found so far was this laptop:
http://www.comet.co.uk/shopcomet/produc ... b/reviews#
Which i can get from the UK

My budget is £900pounds
I was just wondering if i should get this... or look else where, if that the respond, any ideas what laptop to get then?

Thanks for the help!
I am a computer NOOB! So please speak basic english ^^