This was done last year and most people went for the Extended or the one that came with the IIgs. I'm at odds with most and prefer the same one that you do.
As nice as the extended keyboard (either I or II) feels, I do have one gripe about it--the size. The original Apple ADB keyboard is a pretty well-kept secret--it has the same great feel as the extended keyboard but doesn't take up as much room. Count me in as a vote for the small keyboard. I do like the IIGS keyboard as well. Apple's current keyboards aren't bad either.
I still use mine daily with my MacBook Pro at home through an ADB-USB adapter (kind of a generic iMate hub-style). I just love its sound! But for actual typing, my all-time favorite is the PowerBook 1400 keyboard.