I would never normally recomend Behringer but these new controllers that are coming out with are looking good and at good Behringer prices.

Click Here
and
Video
Moving faders (249) and LED unlimited turning knobs. (189.99)!!

They also have another unit that adds on a USB 2.0 audio interface (249)
Click Here
I don't see how they could screw up the midi interface but i'd wait for reviews on the audio interface.

With all these different modules you could configure quite a custom controller.