KeyRig 49s Can't be converted

I bought a Keyrig 49 ($100), the lowest end of the M-Audio controllers. The thought was this would be a good entry-point, and that 2 keyboards together would make an awesome 96-key jammer. Also M-Audio's boss had told me we could get a good deal on "reconditioned" 49-key units.

Alas, it was meant not to be. The keys on the keyrig are cheap plastic things, very much unlike the keys on the 88es. Apparently, the key word to look for is "semi-weighted" keys. They do have 49-key units with weighted keys, but they come with unneeded bells and whistles.

Ken.