Faderfox's new MIDI controller has all the knobs you could ever need
AKAI Professional MIDImix - USB MIDI Controller Mixer with Assignable Faders & Master Fader, 24 Knobs and 16 Buttons, 1 to 1 Mapping With Ableton Live: Amazon.co.uk: Musical Instruments & DJ
ParksTools, a series of budget knob/fader-only non-fancy MIDI controllers
Small Midi Controller - Other Gear - Elektronauts
MIDI Controller with Loads of Faders, Knobs, App Support: Livid DS1 on Preorder [Gallery] - CDM Create Digital Music