The Profit part is always the hard part. Had these things been avilible for the cost of a high-end head unit (with tuner) I think they would have been a smash hit. It wasn't until they for down to head-unit prices that there was a mad rush, but that unfortunately was the close-out :-(

I hope we/Sonic Blue revisit the EMPEG (pretty much as is) i a few years when the tech is really cheap.