I have been using pp for two years and had no problems. I also used spiderline? I think I know I shouldnt do it but I buy what is on sale, mainly because I get it in knots and loose it all I havent caught a fish big enough to break it yet, so until that happens I wont worry about it. I do keep it in good condition however and replace worn sections. but like I said so many wind knots and lost gear that usually keeps the line fresh.
My suggestion is find one you like that doesnt break one thing I have learned from this site is that every fisherman is different. but you all catch fish.