Well, if you look at it this way. Roland and Korg produce what, around 50 pound keyboards. Add a SOFT case with wheels and that's about another 20 pounds for a total of around 70 pounds.

Tyros 2 is about 32 pounds, add a soft case with wheels and that is already about 50 pounds. If you want 76 keys why not get a midi controller keyboard that weighs around 10 pounds? I know for me I would much rather have a 32 pound and a 10 pound keyboard that only takes about 5 seconds to hook up, and have the versatility of having 2 keyboards than trying to grunt a 50 pounder up on a stand, and keep my back in good shape etc, etc.

So, I don't really see what the big deal is. I personally don't need any more than 61 keys but, if I did, I still would never, never ever consider one of those 50 pounders. I would much rather save the bod than tear it down. You only have to experience lifting woes once to appreciate this.

So, there it is. My idea. Do whatever works for you the best though, is the main thing