Google, I think, places too much of their rankings on linking. You have new sites up there with a crapload of links because (only a guess) maybe they spam the crap out of forums and blogs or something.
If they spammed, say, thousands of forums…. Google would love them.
MSN cares a little about links, but not that much.
Yahoo cares a little more about links, but not nearly as much as google.
That’s my guess. I don’t even use Google anymore because both Yahoo and MSN have MUCH better results.
*Edited because I can’t spell 