While I'm a bit late to this discussion about sailrite machines - I had watched an indepth comparison between the sailrite and competitors. The conclusion was that sailrite had made all the needed minor adjustments and alterations to make their machines run well and remain "in-tume" over time. All of those small details could be done to these lower cost machines but you need to know what they are and to execute them.
It was quite some time back and I don't have the link or I'd post it.
dj
It was quite some time back and I don't have the link or I'd post it.
dj