I have the ZWO ASI 120MC. I haven't tried Solar yet but from lunar work I'd say it was a damn good bet. It's on my 'To Do and Test' list for white light through Baader film.
No idea how it would go on a Solar scope.
EDIT: FYI there is a QHY5 II in the For sale section $300.
http://www.iceinspace.com.au/forum/s...d.php?t=115322