I tend to shoot a wide variety of stuff on my 50D. The last couple of outdoor events I went to had a load of rain. This got me thinking that maybe a weather sealed "pro" body would be a good move, as I believe my 24-105L and 70-200 2.8 IS are also weatherprooofed. Would a 1D Mklll make a versatile all rounder or should I keep shoving my 50D in the bag when the heavens open? Or is a 7D as well sealed?