Any luck finding that site? I'd love to pass the information along to the monkeys that are trying to install my Mk2 into my '99 Miata.

More to the point, is there any way to sub the Empeg in for the Bose tape deck (which I find utterly worthless) without buying a new amplifier? The shop that I'm working with right now says that they need an amp to "excite the Bose amp" into recognizing the output from the Empeg instead of the head unit. I'm not an audio geek (yet) but this sort of arrangements sound more like the kind of case where what's needed is some sort of switch. Any of you audio gearheads out there have any insight into this?