Well the only solution to the problem of OSC not being supported everywhere is by pushing it and promoting it on forums like this. Its the only standard that has the potential to superceed midi. Especially when you consider that you can wrap midi (and other protocols mlan etc i guess) within it.
I suppose i was jumping the gun when i said 'never mind the hardware'.. what i meant to say is never mind the hardware manufacturers who cant see past MIDI. Music production has been gravitating towards a 'total' software environment and 'hardware' nowadays for most people just means 'input devices'. Anyway using OSC for some aspects of making music doesnt mean that you have to suddenly stop using your Juno!! What made you think that you had to 'choose' between one or the other? You build on it.
Lemur & Monome are two pieces of hardware (the dont make any noise though!) that support osc and there are many others (prototypes) in the pipeline.
The implementation of a new generation sensor based hardware\instruments that will catch the publics attention, will be integral to OSC's success IMHO.