You could do some planetary with that setup, but to do anything serious, forget the wedge and grab an EQ mount and defork that fella!
Building a wedge is a simple project though, and will get you started.
At that focal length, you will struggle for anything else on that mount, though you could try grabbing a reducer, or try going down the hyperstar route, then you could get some DSO action.
http://www.hyperstarimaging.com/gall...?searchid=1282
http://www.hyperstarimaging.com/video.php
http://starizona.com/acb/HyperStar-L...-P991C648.aspx