While this is different than what most of you play, it's definitely worth checking out.

Here are a few reviews....
GameSpot 9.0 Editors Choice
IGN 8.2
MetaCritic 90/100

The game also won several awards over the last year.

Best of all, it's on sale right now at Circuit City for $10.00
http://www.circuitcity.com/ssm/Portal-PC-0...roductDetail.do

For those who have/use "Steam"
You can download the 1st eleven levels for free
http://www.steampowered.com/v/index.php?ar...d=410&cc=US