fluff wise and looks wise i love PG. they are simply amazing. rules wise however white lions win, cause they are S 6 in combat, and are stuborn, and have somewhat better saves.
however if what i have heard is true for the new codex, PG are going to kick major booty. they will cause terror, and will have a 4+ ward save. that would justify there pts cost, and theyre awsomness, cause right now, swordmaster are much better then them, and they are special, and rares are supposed to be the best of the best