Thanks Brian
I'll keep looking
P.S. John , I dont mean to sound antagonistic so please to take offense however Synta(Skywatcher) use Pyrex glass in thier mirrors not BK7 glass which is inferior and cannot achieve the same high Lambda with thier coatings. In fact william optics, celestron and orion predominantly all come from the synta factory.
GSO has never been considered a great optical producer in my opinion.
I have copmpared a 16'' Meade lightbridge and a skywatcher 12'' scope onn the same eveing back to back and the diference in aperature should have made a massive difference however the Meade image was not blowing it away, i don't rate Meade optics either.
Reflectors = Parks or skywatcher if you cant afford parks
refractors = Takahashi or AP, if you cant afford that then WO or SW.
RC's = RC optical or GSO if you can't afford it