I think 2 of the B757's are going next year sometime.
However Monarch will now be operating a Chania route from BHX next Summer on a Tuesday and according to current timetables they will now need 5 A321's at BHX at this time, unless the aircraft positions in, as they did with one of the Turkey flights a couple of years ago, which operated with a B757.
Still think there might be expansion somewhere next Summer, but on what scale, and depends when the 2 B757's leave, which I think is in the third quarter of 08, but not sure, can anyone confirm??