Excerpt from the official press release from Activision:

Innovative DJ Hero Game Expected To Transform How Consumers Engage with Music –New Guitar Hero 5, DJ Hero and Band Hero Expand the Category with Fun-to-Play Experiences and Innovative New Technologies and Features –Fall Slate Delivers Largest Variety of Music and Hottest Artists

Keep your eyes peeled to the RedOctane Store as we will have more info to come on bundles with pricing plus availability date.

Previously titled Greatest Hits, Guitar Hero Smash Hits will ship June 2009 and features the best tracks from Guitar Hero, Guitar Hero II, Guitar Hero 80s and Guitar Hero III. Sign-up for the RedOctane Store newsetter and be notified on when pre-orders will begin.

Guitar Hero Metallica is now shipping for the Xbox 360 and Wii. PS3 version will be in stock very shortly while the PS2 version is expected to arrive sometime mid-April. To further enhance the experience for Guitar Hero Metallica, the highly anticipated secondary kick pedal for our Guitar Hero World Tour drum kit is also available. This will allow some double kick-pedal Guitar Hero action, which is currently available exclusively in Guitar Hero Metallica.

For a limited time only, we are offering Guitar Hero World Tour & Aerosmith Dual-Game Packs for a very special price of $39.99 for the Wii, PS3 and Xbox 360 or $34.99 for the PS2 version.  Excludes shipping and while supplies last!

Hot on the heals of Guitar Hero On Tour Decades comes the next installment of Guitar Hero for the DS.  Expect the price to be set at $39.99 for the DS Guitar Hero game plus the Guitar Grip controller. The bundle is set to ship sometime this June and be sure to keep an eye out for preorders to be available at the RedOctane Store!