CR2+paracorr vs feathertouch with sips

[estwing]

what would be the better combo..scopes 18" F3.9 using mostly TV ep's.Is one more versatile than the other or a major plus compared to the other.thanks for replys

[estwing]

reading on the feathertouch with sips needs to be taken out every time a scope needs to be collimated,now on a truss Dob,at a dark-sky location,with £1000+ of primary underneath...doesn't seem a very clever thing to be doing.Which narrows it down now to just using the TV Paracorr,with both focuser's