I did a star test on both cassegrain and newtonian focus tonight taking advantage of the steady skies. Went down to a 4mm eyepiece and I didn't have to tweak either. Spent a bit of time on the moon, saturn, NGC 104, the tarantula, anything bright enough that I could see from my light polluted skies. So I think I'm done and dusted now. As Diego would say, I am happy.
Video of the moon tonight with the SONY NEX-5 at the Newtonian focus. No corrector.