Microsoft confirmed today that the rumors of a Forza Motorsport 2 Demo are indeed true and one will be hitting Xbox Live Marketplace in the near future (details yet to be announced). In addition, more of the cars have been released, as 35 Aftermarket Tuner Car Classics were announced.

From the release:
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Hello Forza Fans,

We've spent the last several months telling you all about the incredibly deep and realistic features of Forza Motorsport 2. Soon you'll be able to take the game for a test drive on Xbox LIVE Marketplace the rumors this week of a downloadable demo are true, details on timing will be confirmed in the coming weeks.

From true Force Feedback to online tournaments, from Xbox LIVE Auction House to our unmatched Livery editor, Forza Motorsport 2 will truly set a new standard for the racing genre. According to Game Director Dan Greenawalt, "Soon, gamers will get a taste of the raw horsepower the Xbox 360 game engine has provided as we redefine what it means to be a racing simulator with Forza Motorsport 2. Whether it's the hundreds of thousands of physics parameters captured from countless man hours taking track measurements and capturing car data to harnessing the power of the industry's most advanced the neural-network search algorithms, non-linear and linear math models as well as AI simulation systems from our Microsoft Research Labs, we've turned mountains of real world raw data into a living, breathing racing simulator where the only difference between the game and reality is that you're not risking life and limb when you hit a wall at 200 mph."

As always, we have more to reveal from Forza Motorsport 2's extensive car list as well. This week, we're unveiling the aftermarket production cars in the game, with rare models including the Tommy Kaira Skyline from Nissan and the VeilSide Supra Fortune from Toyota. These souped-up favorites are sure to bring some spice to the track as they round out the game's list of production cars, the full list below. Be sure to check out forzamotorsport.net for the latest screenshots as well as this week's Pitpass report featuring Dan and Che "geeking out" on car physics and realism.

Forza Motorsport 2's May 15 release date is approaching fast and fans the world over have been responding in a big way! With pre-orders for the game on pace to double the original Forza Motorsport, please be sure to drop us a line with your editorial needs as this game quickly becomes one your readers are surely hungry to hear about.

List of Aftermarket Tuner Car Classics

1998 Toyota AB Flug S900 Supra Turbo
2000 Honda Aerogear Integra Type-R
2003 Toyota APR Performance Celica GTS
2000 Audi AWE Tuning SilverBullet S4
1995 Toyota Border MR2 Turbo T-bar
2003 Chevrolet Corvette Guldstrand Edition
1994 Honda Do-Luck NSX
1992 Toyota Do-Luck Supra
2003 Nissan Fairlady Z Custom Edition
2003 Ford FocusSport SVT Focus
2003 Lexus Foose Design IS430 Project Car
2000 Dodge Hennessey Viper 800TT
2006 Mitsubishi HKS Time Attack Evolution
1995 Mazda INGS RX-7
2002 Chevrolet Lingenfelter 427 Corvette
1999 Mitsubishi MINE'S CP9A Lancer Evolution VI
1993 Nissan MINE'S R32 Skyline GT-R
2002 Nissan MINE'S R34 Skyline GT-R
2004 Honda Mugen Civic Type-R
2002 Honda Mugen Integra Type-R
2003 Honda Mugen S2000
1995 Mazda RE-Amemiya RX-7
2003 Mitsubishi Sparco Lancer Evolution VIII
1998 Subaru Tommy Kaira Impreza M20b
2002 Nissan Tommy Kaira Skyline GT-R R34
1995 Toyota Tom's T020 MR2
2002 Toyota Tom's W123 MR-S
2002 Toyota Tom's Z382 Soarer
1998 Toyota Top Secret 0-300 Supra
2000 Nissan Top Secret D1-Spec S15
1998 Toyota VeilSide Supra Fortune 03
1998 Toyota VeilSide Supra Fortune 99
2000 Acura VIS Racing Integra Type-R
1995 Toyota VIS Racing MR2 Turbo T-bar
2004 Honda Wings West Civic Si