I have been reading full face mask reviews here and all over the web. I haven't been happy with my Quattro FX. According to the reviews nobody else has either. I read how to measure for sizing and I seem to be at the high end of medium.
I believe I am sold on the Resmed Mirage. This mask has been referred to as the "gold standard" for face masks. The Mirage also seems to get about 4-1/2 stars out of 5 everywhere as well.
The head gear I have will work on that one also according to what I have been reading. So that was the deal sealer. The other one I was strongly considering was the Respironics Comfort Gel Original. It got extremely good reviews too. The only issue would be that I needed a new head gear to use it.
If anyone has used both and thinks I should reconsider my opinion please let me know.
Bruno2, also have a look at the Quattro Air, I used to use the Mirage Quattro but the Air is smaller and lighter in size but still covers pretty much the same area of your face and I seem to get less leaks.
I also suggest to anyone using a FFM to use mask liners, either bought over the net or you can make your own cheaply, they help with leaks and save your face touching the silicone.
Bruno2, I am successfully using the F&P Simplus after trying several other masks. You can read all about it in the F&P Simplus thread located in the mask section of the product review forum.