I'm running the game on a 3 year old notebook that has a Core 2 Duo 3.06ghz, 4GB ram, 9800m GTX with 1gb of video ram, & Vista 64. Game runs fine even at full screen 1680x1050 at normal settings (no Anti-aliasing or Anistropic filtering though), just takes a little longer to load even with a 7200rpm hardrive in my notebook. So if my 3yr old system can run it, your more modern notebook should be just fine.
Only major downside is the notebook sounds like a jet engine with all the 3 fans running at full speed when the game is running and the heat coming out the back.
Edited, Mar 29th 2011 2:00am by Hinagiku