Just go for the premium Xbox forget the core the hard drive is way better then the mem card without it you cant play original xbox games and its 20 gbs mad space for games music videos, and any way its only $100 dollars more for the premium to the core the mem card is $60 and the hard drive is $120 and let alone you get wireless controller headset and ethernet for xbox live its worth it just to buy the premium its a better value!!!!!!!!!!

I dont know if these help I ran a quick search

http://answers.google.com/answers/threadview?id=538229

http://www.next-gen.biz/index.php?option=com_content&task=view&id=6424&Itemid=2

http://www.emarketer.com/SiteSearch.aspx?pathID=585

http://www.itfacts.biz/index.php?id=P5132

Hope they help

you mean prices??.....gamestop:

http://www.gamestop.com/Default.asp?cookie%5Ftest=1&

LOST PLANET definetly!!!!!!

And Seriously the 3 burger king games they sound crappy but are pretty good sneak king, big bumpin', and poket bike racer!!!!!!