Heihoo.
Yep, I know here are several midi keyboard related topics but mine is again a bit different :)
Now I have this list here :
M-AUDIO - RADIUM 61
M-AUDIO - RADIUM 49
EVOLUTION - MK461 C
EVOLUTION - MK449 C
Edirol - PCR80
Edirol - PCR50
1) So the first question goes.. 49 or 61 keys ...