In message <9405261621.AA19774@cmyk.warwick.com>you write:

Agreed... 40 bit key feels like (to me) one of those locks that comes on suitcases that you could probally break open with a small hammer..

Absolutly true, but even week security can have its uses. One of the most useful things we can do is get people used to, and routinely using, encryption. There are still too many people who think that using encryption is proof of wrongdoing.