There seems to be a growing number of spey casters in Michigan.
Check this out and see if you recognize the streams:
http://www.questoutdoors.net/skills/spey/video/

Down here in the Smokies spey techniques are used quite a bit on even the dinkiest of streams where roll casting is the norm.
These techniques allow one to change direction at will when roll casting without crossing over your line and ending up with a tangled mess.
Simon Gawesworth shows single-handed spey techniques in his videos and books.