I'm just about ready to take the plunge, and buy a PS2. I'd like to connect it up to my computer monitor (21" NEC MultiSync 6FGp), because we only have one TV in the house, and I don't want to battle ...

When did you last buy a mouse? Did it have a little adapter in the box? There was a time when if you bought a USB mouse, in the box was also an adapter to allow it to be used with the older PS/2 ...