Looking at Orion's two bigger Maksutovs. The planets, moon, and double stars are the viewing goals. My favorite mount is the Portamount. If the 6" works well on the Porta, I'd probably buy that as the setup would be almost grab-n-go and would see more use.
OTOH, if the Mak, with its narrow FOV and high magnifications, needs tracking and a sturdier mount, then I'll have to drag out a GEM (probably a SVP) and might as well get the bigger 7" Mak.
So has anyone used a 6" Mak on a Portamount? How did it work for you? Was lack of tracking a big annoyance?