Elektron Musical Instruments

> or the Novation X-Station
> (http://www.novationmusic.com/nov_route/docs/front/front2.htm)
>
> which are the only two controllers I could find that offer a 
> Joystick...
>
> Does anyone have any other suggestions?
>

the X-station is also available as the Remote25, which is ONLY a midi 
controller keyboard and doesn't have a built-in audio interface and 
synth.

both the joystick and the touchpad on the Remote25 are fully 
configurable.
It's a good quality keyboard.