Laptop for Premiere Pro CS4

I am looking for a laptop that will run Premiere Pro CS4 really good. I was looking at the HP Laptop available at this link.
http://www.bestbuy.com/site/HP+-+P [...] Id=9556296

I cant afford the core i7 laptops at like 1400 + price. Thats why i was looking at the one at the link above. But not sure if the AMD Turion 2 Ultra would be better or the intel core 2 duo would be better. I just want it to be able to run Adobe Premiere Pro CS4 and World of warcraft would be great to as a bonus...lol. But premiere pro is what i want it to run. My friend has an HP model dv7-1444us with a AMD Turion X2 running vista and it runs it fine just cant capture anything on it is all. Which aint no big deal cause i can capture on my desktop but i want something mobile that will run premiere so i can site at a coffee shop or anywhere and work.