We have these possibilities, I'll put them in order of least likely to most likely to happne to me.
4 - 
Most sold MH ever, but... PSP is techncally dead in the west. Could still be tranlated for a PSN/Vita release, but I woundn't count on it - since it's almost 2 years old by now.
3 - 
To me it's almost impossible for this not to come west, but since it'll be released mid of next year in Japan, announcing it for the west so soon is very unlikely
2 - 
Not entirely out of the realm of possibilities. I can see this one happening, though it's not likely. For Sony fans, this is the best they can hope, imo.
1 - 
This leads us to the only "logical" answer, if the info Sven gave is true. To me, it's a 99% certain release, but I'll have to wait to eliminate the always cruel 1%.
