I haven't played GTA in some time due to the advent of Ninja Gaiden II, but here is a really cool un-tooning of Nikko.

See:  Realistic Niko Bellic From GTA4, And Stewie

They did a really cool job integrating Zune with Ninja Gaiden.  You can add Ryu Hayabusa as a Zune Friend.

http://social.zune.net/profile/member.aspx?tag=Ninja+Vengeance

You can also download original score from the game as a podcast!

ngiiaudiorss.xml

Also, here is a link to some Zune backgrounds for Ninja Gaiden

http://www.zune.net/NR/rdonlyres/6FB15A02-5EB3-4B02-B7AF-1A351283F5AF/0/device_background3.jpg

The difficulty of this game can't be understated.  However, its a good difficult instead of an "give up because I don't have time for this" difficult.  I actually enjoy even the annoying challenges because I can't wait to see what the next segment of the game holds. 

Check out the link below for additional details on how to play the game.

http://www.xbox.com/en-US/games/n/ninjagaiden2/20080610-wayoftheninja.htm?WText.camp=Games&WText.campSrc=RSS

It's no where near as difficult as the first.  The frequent auto-heal save points are awesome and the enemies now give you more health.

Ninja Gaiden II will be coming out on 6/3/2008.  It will be a Charranweb holiday. 

I remember playing the first version of this really challenging but enjoyable game on the original XBOX.  It was all I could think about for weeks.  Both my neighbor and I would beat a stage, run to the others house and beat the stage on their XBOX.  I can only dream of the day when they have cooperative play for campaigns.  Actually, I'm a big fan of all Capcom titles, including Lost Planet, Devil May Cry 4, and Ninja Gaiden.  Interestingly enough, I'm intrigued by the name of the title even from the 80's version.  Gaiden, in Japanese (I'm told) means side story (http://en.wikipedia.org/wiki/Gaiden). 

Here is some more information on the venerable history of this great game:  http://en.wikipedia.org/wiki/Ninja_Gaiden

And here is more information about its release:  Ninja Gaiden 2 Previews (Xbox 360)