It's three in the morning and you are still glued to your TV screen with your steering wheel on your lap and headphones firmly attached to your ears. Most likely there is a lukewarm beer to your left that you have neglected in your ambition to beat that Finnish sim-racing maestro named Markku.

Racing-game mavens who hanker for a bit of upscale American style now have one fewer reason to leave the basement: Cadillac's big-assed badass CTS-V Coupe race car will soon be available for the immersive iRacing MMO racing simulator.

Powered by an AMD Radeon HD 6870 graphics card, Chad Smith's five screen racing simulator looks like it provides almost the same thrills as the military's simulators, without requiring the military's budget.

PC racing simulator iRacing is for people who find the Forza and GranTurismo games too arcade-like. This dude's five-screen setup for a digital race at Mid-Ohio is so realistic he's wearing gloves to drive it.

This is just your everday home-built rig for running race simulations. It's one anyone could build for a few thousand dollars and a basic understanding of PVC cement. Except the rig you see below helped Tommy Milner win the 24 Hours of LeMans.

iRacing may be the World of Warcraft for obsessive racing geeks, but that doesn't mean it's not a fine game. The Boston-area company will release version 2.0 this August, having upgraded the graphics, aero and tire modeling. Red mist, meet basement.

Last Sunday, 20-year-old rookie Trevor Bayne became the youngest winner of the Daytona 500 in Nascar history. His first experience with the track? Driving the iRacing video simulator at Daytona a year earlier, with Michael Waltrip giving him pointers.