Until this thread posted I had completely forgotten I bought this before my birthday last year so I installed it and all I can say is WOW!

First of all, it works like a charm in both P6 and P7 and it really does take the work out of AO lighting.  I didn't notice any discernible increase in render times, either.

The first image is without using Occlusion Master.

Hugz from Phoenix, USA

Victoria

Remember, sometimes the dragon wins. Correction: MOST times.