See how opinions are ... I have Fireline on 25 of my reels, spinning, casting, and conventional ... it's absolutely one of my favorite fishing lines (along with Power-Pro and Suffix braid.) No stretch, fraction of size compaired to mono or floro., slices through weeds, and casts twice as far. But then again, I don't like Fireline at all when the temp falls below 32f as it "waxes" (ice-buildup) easy and gets ruined, then I have no choice but mono or floro.