This looks very promising. I am particularly interested in the unique very-rear-hump shape, and also the translucent shell (why has nobody done this yet?)
USD 79 is also not so bad. Wired only though, which I am happy with, but I know that will put some people off.
In case you don't know Rocket Jump Ninja, he is a Quake veteran and one of the most respected and prolific mouse reviewers. His site even has a tool for finding your ideal mouse based on hand size and grip style.