08 Jun 2016, 01:51

It's not great for everyday use. Manipulating the trackball with your thumb is difficult unless the sensitivity is set low, which means flicking the trackball to cross large areas of screen on a regular basis. It's also worth noting that horizontal scrolling is far easier than vertical scrolling.In terms of amusement value, however, it is priceless. It feels like using some sort of weapon due to the left click trigger.I think the older models had a higher build quality -- this one is PS/2, which dates it somewhat.