Currently, only the NTSC version is available. The PAL version is due out soon, and rumors are floating around that different games are included.
The US exclusive QVC deal ended in 2004. You can now find them for ~$20 at KB Toys stores, and possibly other locations.
Distribution for the UK and the rest of the world is exclusive to the toy:lobster company.
http://www.toylobster.com/toylobsterweb/products_c64.htm
