I had this mouse, I had to give it away, I really don't think it deserves a 10/10, but then again that is the reviews opinion and I respect that.
I had trouble with the mouse not tracking properly on the surface I was using, I hate using mouse pads and have a wood desk. This was actually the first mouse I have ever had a problem with as the wood grain is very light, but for some reason the Deathadder just couldn't handle it.
On top of that there are really only 2 buttons that you would want to program, yeah you can program the right, left, and middle click, but why would you want to? That leaves only really the two side buttons to program for other functions in games.
Plus there is no side scroll, which I have fallen in love with on other mice like the Intellimouse Explorer.
And don't you think making the statement that this is the best mouse on the market today is a little bold? As is the statement that it give an unriveled price/performance ratio, especially when there are mice like the Logitech G5 available for $45, and the G5 has a weight system, a better tracking engine, and drivers that are arguably just as good as the Razer drivers?
And no cons? I listed at least two. Three if you count the tracking problems, but most people probably won't experience that. Plus it is expensive, I have seen that listed as a con in a lot of reviews around here, and it is a good con, especially when there is rivalling products that are cheaper.
The conclusions in this review come off a little fanboyish to me, be be honest. Maybe it is just me, but I really have a hard time accepting those conclusions, especially when it seems that the mouse wasn't compared to its direct and biggest competition in the form of the G5.