Labour adding on to their majority: Impossible; Scotland (a Labour stronghold for the most part) is losing a load of seats due to boundary changes. Even if Labour did as well in the Southeast as in 97/01 (they won't) the majority will still go down.
Labour losing seats but still holding the majority: Very likely. Most analysis has centred around the size of the majority. My guess is between 60 and 80, although I reserve the right to change later
Labour losing their majority and forms a formal coalition govt: Very unlikely. Labour's relations with the LibDems are bad for historical reasons, and their relations with Nationalist parties is even worse.
Labour forms a single party minority govt: If Labour somehow lose their majority, this'll be what'll probably happen. A new election would be called in a year or so, probably with Brown as P.M.
Tory minority: Very unlikely, although more likely than a Tory majority. Bearing in mind Labour's built-in advantage, the Tories would need some strange turnout patterns or a large PV lead for that to happen. Neither looks all that likely.
