Contrary to Nicks thread, I find heavier line actually minimises line twist..I dont know what Nick classes as heavy, I have no worries using 50 lb mono, not because I expect humungous fish, but because it doesnt twist as much as say 25 lb. I have seen anglers using 15 lb -30 lb mono and it comes back like a bundle of knitting wool.
Another nono for me is extra long mono off booms.. All my best days when Pollacking have been when I use short lengths of 50 lb mono from sinker to Jellyworm, short equals about 6-8 ft .The fish dont mind, it doesnt alter the way the worm or soft plastic works.
Thats not to say other methods dont work, its just what I find works for me, there is absoluteley no point in arguing one method over another, what works or you is the one that is best.
Dave