If i was putting a newt on an eq mount with imaging a consideration, I would possibly consider the GS 8 inch f4 OTA.
Being shorter it would give a wider field and be more forgiving in loading of the mount, but being f4, coma could be an issue for visual. Everything is a trade off.
Review here
http://www.excelsis.com/1.0/entry.ph...12&entryid=537