Originally Posted by scowlkat
My recommendation for must haves:
Rolled hem capability without changing plates
3/4 thread
Differential feed
Free arm is nice if you can find it
I agree, although changing plates is not that difficult. I'm still using the Singer serger I bought nearly 30 years ago, and it's seen a LOT of use. I don't use it for piecing quilts because all that thread makes the seams to thick to lay nicely or quilt through.