IvyLeaguer: I have my original Haywars super vac head (triangular) with added weights. Here's my post asking about the roller type ones Ben sells. I still haven't made the leap to the new one - mine still works fine - and I like that it is transparent so I can see when things are being vaced away.

http://www.poolforum.com/pf2/showthread.php?t=3401

Kirsten