What is the most likely result of the 2012 Congressional elections?

[nkpatel1279]

Republican House/50-50 Senate.
Democrats will have a net gain of the dozen of seats in the US House- which is not enough to get a Democratic majority. Democrats need a net gain of 25 seats in the US House to get a Democratic majority.
Democrats lose US Senate Seats in NE,ND,MT,MO,and WI(Baldwin-D vs Thompson-R). Democrats hold onto Vulnerable Democratic held US Senate Seats in VA(Kaine-D vs Allen-R)-is pure tossup-but Kaine-D narrowly wins in the end,FL(Nelson-D vs Mack-R)-Nelson-D defeats Mack-R by a narrow/high single digit margin, OH(Brown-D vs Mandel-R)-Brown-D defeats Mandel-R by a narrow/high single digit margin, and NM(Heinrich-D vs Wilson-R)-Heinrich-D defeats Wilson-R by a narrow/high single digit margin. Democrats gain US Senate Seats in MA(Brown-R vs Warren-D)-Warren-D defeats Brown-R by a narrow/high single digit margin and ME(King-I)is likely to caucus with the Democrats once he gets into the US Senate. Republicans hold onto vulnerable seats in NV(Heller-R vs Berkley-D),IN(Mourdock-R vs Donnelly-R),and AZ(Flake-R vs Carmona-D).