Clickable scroll wheels on mice

[dterrors]

Does anyone know of a mouse that allows you to click on the area around
the scroll wheel rather than clicking the scroll wheel itself? Like
for example:

http://www.nulime.com/p9845/cat2380/Mice/Optical/Kensington-Iridio-Optical-Mouse.html

The gray area around the scroll wheel, is that clickable as a middle
button click, on any mice?

 

[Schism]

Does anyone know of a mouse that allows you to click on the area around

the scroll wheel rather than clicking the scroll wheel itself?

You could always get a logitech 518 or something similiar, they have 8
buttons, two of which are below and above the mouse wheel, plus still
allow the clickable scroll wheel itself.