Revenge of the Fallen was only bad because it was blatantly unfinished (a mere two years to make including the writers strike? no wonder). The basic setup and story progression was fine where as DotM was just genuinely bad for no good reason (at least RotF had hints of what made the original so good, DotM seemed to abandon everything). I honestly feel RotF is oscar material compared to DotM.
I don't think i'm in any rush to see Battleship unless the fight scenes are truly epic (for reference I thought DotM's fights were very average where as the first two had consistently epic fight scenes).
*Insert negative stuff here.*
"..hiding your [story] beneath endless layers of confusion doesn’t make you an artist, it just makes people think you are."- Gameshadow