Polyphony Digital's preview racer Gran Turismo 5: Prologue will hit the PlayStation Store tonight at 12 AM EST, priced at $39.99. The game packs 60+ vehicles and six tracks, and is meant as a sneak peek to the eventual release of Gran Turismo 5.

A bounty of content for Harmonix's Rock Band has also been added, bringing PS3 Rock Band owners up to speed after two weeks of downtime. This week's update includes "Still Alive" by Jonathan Coulton available free of charge, as well as Freezepop's "Sprode", Count Zero's "Shake", and Bang Camro's "Rock Rebellion" for $0.99 a piece.

Additionally, the Classic Rock Pack—which includes "Call Me" by Blondie, "Simple Man" by Lynyrd Skynyrd and "Message in a Bottle" by the Police—is also up. The songs are priced at $1.99 a piece, or $5.49 in a bundle.

An expansion for SCEA Santa Monica's Warhawk (PS3), entitled Operation: Broken Mirror, has been added to the PlayStation Store. The booster pack includes a new vehicle, the Armored Personnel Carrier, as well as a new map. Operation: Broken Mirror runs $7.99.

The long-awaited addition of analog control support to Factor 5's Lair is now up for download. The Dragons and Control Pack, which is available free of charge, adds analog flight control, DualShock 3 rumble support, and two new playable dragons.

Finally, a demo of EA's UEFA Euro 2008 is available for download. The soccer title, which will be released in the UK tomorrow, hits North American shelves on May 19.