Paul,
I assume you have followed this thread:
http://www.iceinspace.com.au/forum/s...d.php?t=124461
Yes, different AO system, but the discussion is interesting. From my reading it would seem that amateur AO is not going to help a very good mount when it comes to seeing, unless there is perhaps already excellent seeing. In average seeing it might just make images worse. Anyway, the whole subject seems to invite differing opinions. Perhaps AO adds a degree of complexity without a clear advantage which is why I have so far stayed away even though quite tempted at times.
Good luck with the decision.
Peter