The 2 is pretty common. It's a smaller version of the original. The controllers are detatchable, but worse than the 1's. Also, they goofed with the bios, making some games non working.
VIC-20 boxed games:
VIC-20 screen pics using my homemade composite cable: Crystal clear.
And this boxed VIC-20 will soon be in the "Systems for Trade" forum.
Greenween, don't feel bad! I had the same issue. It was holding down the button that really cramped my hand. Switching to an emulator and a Logitech gamepad really helped me out. Maybe a Genesis controller would work too. I'll try that next.