Nice review mate
The thing with mice is that it is a very personal choice. And a lot depends upon how one likes to hold a mouse- full hand, claw grip or finger grip. And you never know if you like one or not until you've used it for a few days.
I've owned some really quite expensive mice in the past including the following:
Logitech 510 (a legendary gaming mouse)
Logitech 518 (update of the above, which I liked less for some reason)
Logitech MX Revolution- far too fancy, laggy wireless, too big, too heavy, hated it, cost 80 quid
Razor Deathadder- hated it, stupid ergonomics, very uncomfortable
One problem I had is that I think many of the above were too big, but most decent gaming grade mice were quite large at the time.
I have settled on the following:
Cooler Master CM Storm Spawn Gaming Mouse - SGM-2000-MLON1 - Scan.co.uk
Cheap as chips but very comfortable indeed- small and light(ish), can use claw grip. Precision is good too. Only thing I would like is a snipe button like on the RATs.