A thank you for all the info here in the form of more info that you may not know......
The Details of my Test of RPi A Using cheap Sabrent USB audio (lists as CB109 Generic USB Audio device) out only... 44.1khz/ 22m /64 Fooling around w/ shepard tone patch and 1 ADC from arduino (firmata) gives me about 60-70% CPU load w/ GUI running no SSH. Will try the same w/ behringer interface when it shows up. hoping to get audio in working.
Coolest thing: Just popped in a Model B sd card w/ everything installed. It booted no problem, and just worked. maybe just a bit faster...
Regular audio out still stinks.....
Anyone know if GEM will ever work on a Pi?
Best -Stefan Prosky