Maingear pimped one of their systems out with CrossFireX and went crazy using all of them.
See what I mean? All of these monitors are running off of one system and the frame rates were more than playable.
To show that the game was actually running and that it was not just a video, gamers were encouraged to give it a shot and fly around themselves. For a couple of days the CEO and President of Maingear attended the booth and answered questions for gamers.
PNY / Cyber Power
PNY shared a booth with Cyber Power at QuakeCon 2008. PNY gave away several graphics cards and memory kits at the event.
Cyber Power held tournaments at the show and gave away several different items.