best portable wireless mouse for macbook

[MichaelHo]

Am on the look out for a portable mouse to use with my macbook.
Have used a couple of my mate's mouse with my macbook but they just didnt feel right. The movement wasn't as smooth as id like and the scrolling was a bit slow.
Do you use a portable mouse for your mac? If so which one?

It also has to be wireless.

 

[MichaelHo]

I have used:
Microsoft Wireless Notebook Optical Mouse 4000
and a cheap labtec one.

The microsoft one feels really good but both the vertical and horizontal scroll were abit slow, and movement was slightly jerky.

The Logitech Revolution VX looks pretty good, anyone using it?

I do like the might mouse but it is a bit big for it to be portable.

cheapest i can find logitech one for is £31.58, is it cheaper elsewhere?