Dave for price comparison the IBC cost £179:50 in the UK from featherweights.org.

Definately opto isolated.
Selector for BEC cause some people might still not want to use it.

Ive always thought that it would be a good idea to have receiver speed controllers and maybe even a gyro all on one board. To safe all that messy wiring which adds to reliability and noise problems and reduce the size of the overall package and make it really idiot proof. But I think it would make sense to get a simpler model working first.

Richard
Team Mayhem