[GLLUG] Mobile Mouse

[Chick Tower]

Does anyone have one of those little mice that are intended to be used 
with laptop PCs that they no longer use?  I know I can buy one 
relatively cheaply, but they all seem to have USB connectors, and I 
would prefer one with a PS/2 connector.  Most of my laptops have only 
one USB port, so I don't want to tie that up with a mouse.  Wireless 
mice have the same problem, as their little radio transmitters are 
designed for USB ports, too.  I'm not asking for a donation, but simply 
to buy a used one at a fair price.

Failing that, does anyone know where I could get a wired, PS/2 laptop 
mouse cheap?  Has anyone ever seen them at the MSU surplus store?

I use a trackball right now for a laptop with a non-functional trackpad, 
but it's a bit bulky to carry around in the case.  I know I could use a 
desktop mouse instead, and it would save some space, but the only ones I 
have that aren't already in use have roller balls.  I do have a nice, 
thin mouse pad I can use with such mice, so that may be Plan B for this. 
  Again, new optical mice seem to come with USB connectors.
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                                Chick