Well I just placed an order for Menzerna IP and FP. I've heard good things about them with use by rotary (I've tried one of them--I forget which one) by PC with less than stellar results.
And the sonus is free for my picky self to tell you all how I feel and take pictures of
But I have to wait until x-mas to try the rotary and menzerna twins. This is my first order in a long time. (probably march when I got VM/PB products).