My laptop is USB-only. I have a Microsoft Natural keyboard and a Microsoft Intellimouse Explorer that I use daily, and I had an adapter that allows me to plug these two PS/2 devices in and then plug ...
It looked like the same form factor like my beloved MS Intellimouse (which is dying). Plus it has 5 buttons so I can macro some things to it in World of Warcraft. It is optical as well. Also it cost ...