Now this is car... or boat.

E.T

Not yet Bond's "submersible" car but starting to get closer...
And works well on both land and water.

[url]http://www.popularmechanics.com/blogs/automotive_news/4217933.html[/url]
[url]http://www.gibbstech.com/aquada.php[/url]
Registering that might be "fun" here in Finland... :p


Then next step would be making one with watertight cabin and capable to submerging.

Space Ghost

And all of that for just under $100,000. Wow. ;)

I'd still rather have a [URL="http://en.wikipedia.org/wiki/Personal_watercraft"]WaveRunner[/URL], though. They are [I][B]wicked[/B][/I] fun. :D