I know zero about Volvo setups. It's probably a pig for the power it puts out, but if that guy's got a FMIC then surely there's other stuff you can get like a larger diameter exhaust and some sort of chip/flash tune to up the boost and all that good stuff.
That kit car may be the only hope for many of the dudes that dumped big money into building their golf/jettas as they're worth about as much as a box of kleenex now.
A Factory Five spin off company's working on a VW MK4 golf/jetta based kit car. Potential power trains include the TDIs, 1.8Ts and the VRs. http://forums.vwvortex.com/zerothread?id=4662201http://forums.vwvortex.com/zerothread?id=4662201