I just got my Endura keyboard from Unicomp and love it and now I'm obsessing on my mouse. I have a Microsoft Laser Mouse 6000. I like it. I want another one. They're discontinued and I haven't found one yet that I can order to be delivered in Mexico.
So, I'm looking for a mouse that can be used left-handed, has five buttons, and connects via USB. I haven't found one. I have used a trackball but haven't in years and as I recall I frequently had driver problems but a trackball that meets those specs would be possible if it had dependable drivers and three buttons were programmable.
If you know of one that fits, thanks.