Just got mine a couple days ago and I must say I love it. A little heavier than my Kinzu (which I was expecting) but not too heavy like my rival. I also love the size, and personally I like the shape of it as well. I don't find it uncomfortable in anyway to hold. The first few times using it I found myself hitting and worrying about the right side mouse buttons a lot, but now I almost don't even notice them and they don't bother me if I hit them. It just feels so much better than my Rival in so many ways, the size and shape of it, the weight for me, I prefer a braided cable and the overall quality of it feels much better. I also like the clicks I get when using the mouse, the Rival seemed to have a much "muddier" click from the right and left mouse buttons, almost in audible where as with the Avior I get a nice "click" everytime I press the button. All in all I am very happy with this mouse and will be keeping it for a very long time. Plus I don't think pics of the mouse do the lighting justice
when right next to my Rival they both stand out equally in the dark, I was worried it may not be quite as bright heh.
Also metal571, they have uploaded the beta FW on their website, however I think the new mice may be shipping with it? I have not tried updating my firmware yet because I have not had any issues or seen any reason to, I tried reproducing the CPI bug by spamming the CPI up switch and never had the mouse freeze up or lock or disconnect or anything for me, so it's possible the newer ones may be fixed with that, is there a way to check current FW version? I will try updating it soon anyway I just have not had a need yet.