Grab Gran Turismo 5 XL Edition for $19.96 (50% off) at Amazon!  Includes voucher for over $20 of bonus content, including new cars, tracks and more.

Build a dream collection from over 1,000 of the world's most exciting cars, from exotic imports to muscle cars and performance supercars, to customize, race, and upgrade. Features the new and improved features and functionality from all downloadable game updates through Spec 2.0 right on the disc.

Make sure to select Amazon as the seller (on the right under 'more buying options').

Check it out:  Amazon - Gran Turismo 5 XL Edition