The pool minin at
https://max.mining4all.eu gives lot so Yys and ver few Boos, ut I have no ideea if it works or not. So far very small returns 0.3 maxcoinf for 6 hours. The VTC seems more profitable as I seen so far.
Cristian
Seems much better than hashfaster, it rarely gives me duplicates, but even than, it doesn't freeze for few seconds.
And once vardiff kicks things into high gear, the GPU utilization improves:

The Pool Invalid rate is much better than the average (2.97%)