The development boards are $125, although the SDK only runs on XP. I kicked M$ to the curb years ago. I have to talk with Spin's tech support about making it WINE compatible.
It's been quite a while since I did any coding, and even then it was only a some numerical routines for crypto stuff on the Digital Mars C compiler. So, any coding now is going to be like the first time...
I did start off with IBM 360/370 BAL in college. Gee, that was al the way back in the eighties. I used to dream in assembler back then. :)
Anyway, I'll have to work out which will be the most direct prototyping a VST plugin or going right to the development board.
My views on sample rate is that ten time over the highest frequency is good. That would make mean 200kHz for audio work. I have a mechanical engineer buddy that has done stress analysis on stuctures with DAQs and pressure sensors. According to him to get good enough samples for analysis you have to ten times over.
In my SPICE work, I found for FFT audio plots you have to go ten time over to get smooth plots. In guitar effects that use low sampling rates, 44.1kHz and lower, I can hear the difference in sound quiality from the ones that use 96kHz processing, like The TC Electronics effects and the Rocktron Voodu Valve and Expression units. Their effects especially the delays and compression have a sweet liquid smoothness to them that is just superior.
Cheers,
Fred