So . . .
You lose the key to your $30,000 car -- you pay $2 for a new key.
You lose the key to your $70 piece of software -- you pay $70?
I'm sure you're a nice guy, but there's a forest out there, dude. :-)
P.S. I lost my registration number to Ibrowse a few years back (similar situation) and was sent a new one for free. I can't imagine any company that wants repeat customers not doing the same.