Totally different games totally different market.
Banjo and Kazooi that also comes with the original N64 Banjo game would be more of a comparison but the Two you are comparing is pointless regardeless of when they are released.
Little Big planet is nothing more than your average platform game underneath the graphics with a bit of Lemming type gameplay. It will be short lived and Banjo will make it eat boring Ragdoll dust.....
Also
Fable 2 first part review= system seller
http://www.joystiq.com/2008/09/15/three-hours-with-the-finished-fable-2/
LBP is an unkown, Fable 1 sold over 3 million..







