I would have to say Black Widow here without looking back. I haven't thrown any of them except that black widow which i have and if you are looking for versatile look no further. I have had ,mine at OOB, 2000 abralon, and right now at 800 grit grey scotch brite and let me tell you i haven't found a lane it doesn't work on from light to heavy it is dangerous. And the cover is takes great with alterations.
--------------------
"Nothing Hits the way my Hammers HIT", but then again "Nothing Rules Like my ROBO RULE"