QUOTE(ozak @ May 23 2010, 12:55 AM)
Thanks cloud8318. I m looking for the MX revolution too. But can't find it anymore now. I ve saw this mouse last year and fall in love with it. Since my cordless G7 still ok, I got to wait.
I m more on performance. The comfort of your palm on the mouse. Second is battery. As long as it can last few day, I can accept it. My problem with G7 mouse is, the battery only can last 1 day and it using special battery. I ve to makesure get ready the 2nd battery. If not I cannot use my mouse and wait to charge which take whole day. This 2 mouse that I choose is using 2AA battery which is a + point to me.
The budget is I apply from my boss and got approve. I cannot ask for more anymore. So M950 is out of my list. And M950 is using recharging battery, i m not so keen on it. (I ve used MX500 before which using rechargeable battery too)
I m just using on normal table or the hard rough black surface mouse pad.
Added on May 23, 2010, 12:59 amI ve the same problem as you with my G7 mouse. The left have double clicking problem and the right can't hold when click down. It last 2yrs only.

if more on performance >>MX1100
if more on battery live >>marathon M705
G7 battery live only last 1 day

, can't give comment on this, cos don't own it
this is my list on logitech
MX1000, performance is good enough for me, battery can last about 14 days(when NEW), now 8-10days(after 4 years using), is a rechargeable battery
MX Revolution, performance is far better than MX1000, battery can last about 14-15 days(bought few month ago), is a rechargeable battery
MK 250 cordless combo set, performance not much lah, since is only enter level set, but the battery live after 4 month using, still kicking

,is using 1 cell AA battery.
for me to chioce a wireless mouse, rechargeable battery is a MUST, for not rechargeable battery,unless the battery can TAHAN few month or more
just my opinion