Any good mice for £20 or less.

[JoeDaStudd]

I'm looking for a good mouse for £20 or less. It needs to be wireless as my PC desk is small and crowded, and ideally would be rechargeable (I've gotten through a whole lot of batteries on my mouse for my other PC, which would more then likely cover the cost of a new one).
I know £20 isn't a great amount, but I'm planning on spending some money on silencing/tweaking my pc, and have set aside £20 for a new mouse.
What it must have/be:
3 buttons (3rd one being the wheel button)
Wireless
From a UK site or shop
Not too big, as I have smallish hands.

What is optional:
More then 3 buttons
Rechargeable
From scan.co.uk, aria.co.uk or microdirect.co.uk (As I will be buying other parts from them)
USB/PS2, I have more then enough usb sockets spare as well as a PS2 port.
Any freebies, e.g.. keyboard, software, ect.

For reference I currently using a labtech wireless desktop set (link here)
Which is fine but eats up too many batteries.

Thanks for any help.

[eldiablov]

http://www.bluebuy.co.uk/product_inf..._id/2023/ref/4

Cant vouch for this site but you have to buy rechargeable batteries seperately.