The first Guitar Hero: World Tour commercial (seen here) featured the game's new 4 player co-op feature with such stars as Kobe Bryant, Michael Phelps, Tony Hawk and A-Rod.  While I'm not one for men in PJs, the commercial does an admirable job of catching the fun to be had in cooperative rhythm game festivities.

Guitar Hero: On Tour hits stores this week, and we've got your co-op review here at Co-Optimus.  How's the Guitar Grip?  What about the song choices?  Is rocking out with a buddy in co-op mode as awesome as on the home versions of Guitar Hero?  Read on to find out.

Ahh, Nintendo.  You and your special edition, funky colored game systems.  They seem like such a waste, and yet, I still bought a translucent green Nintendo 64 back in the day.  It's even worse with the DS Lite.  In my family alone, we have black, black/blue, and black/red DS Lites.  In fact, I just sold my white DS to get the black one a month ago.  And now, you go and announce a Silver and Black DS, with the Guitar Hero logo on it!  What's a fanboy supposed to do?  Ebay the new black DS, and use the funds to get the super cool silver one, with FLAMES on it?  After all, I'm buying the Guitar Hero: On Tour game anyway.  If I'm going to be rocking out in public, shredding on lead guitar while my wingman plays bass, I gotta do it in style, right?  It's hard to resist, given the combination of my obsession with rhythm game peripherals and the allure of a special edition DS Lite.  I may need to go visit my psychiatrist again...

Part of the Guitar Hero: On Tour track list has been revealed over at Pocket Gamer.  Given the different demographic that the DS serves, it should come as no surprise that GH:On Tour features several songs that are more "pop" than metal.  However, there's still a lot of old school GH to be had on the go in this list.  Check...

New details about the upcoming portable rocker Guitar Hero: On Tour have been revealed at the game's official website.  The good news?  The Guitar Grip peripheral will work with the new hotness DS Lite as well as the old and busted DS Phat.  So, gamers with bigger fingers who might prefer the original DS to its slimmer successor can ...

Guitar Hero: On Tour will have local wi-fi co-op, but not much else about it can be confirmed just yet.