In that case, maybe you are better just sticking to your current course after all.

I'm just a button pusher, so a short keyboard does me fine. In your case, it sounds like you're probably more of a serious player so perhaps you are better to go for a bigger one after all.

Just for fun, take a deep breath and check out the grand daddy of all MIDI keyboards at http://www.doepfer.de/lmk4.htm . It's a beast!