look at dsm specific sites for bolt-on turbos.
check out some of the sites on this page
http://www.dsmtuners.com/partners/
or look around on here for some good used stuff
http://www.dsmtrader.com/
generally, the 50trim is considered to be one of the best street turbos for a dsm; however, i don't know what you <2L displacement guys would consider streetable.
let me know what's up
adam