I just picked up 5 spools of neutral Star thread. (I read somewhere that Star thread is produced by Coats and Clark). It handles real well in my machine. Recently, I also ordered a few color sets of the Connecting Threads thread.
Once, I ordered a set of small spools thinking I would use it for applique. It really sounded too good to be true.....and it was. The thread is real crap but I couldn't return it. So I use it in small pieces to keep it from knotting up. ....and one of these days, I will toss the whole bin in the trash.