Other than the Video Game Factor, what's it got that any other pump on the market doesn't?
If you COULD track one down (don't believe they were ever imported), you would have a shotgun that doesn't share parts with any other shotgun in the country. It is also limited to 2 3/4" shells.
I know, I know. It just seems to cool and shiny, but sleep on it. Go handle an 870, 500, 1300, or any other nice pump-action shotgun and think it over.