What I Would Do If I Ran Tarsnap

The biggest fault with this is the assumption that the geek market isn't big enough to do serious business in. I wouldn't alienate existing customers by an enterprisey makeover.

Even when it comes to B2B, it is better for a service like this to get into enterprise via their geeks than try to appeal to their suits, because Tarsnap's strengths mean nothing to a suit.

The suits have some requirements as well, and it's not "just because" but sometimes because of legal/organizational requirements.

The geeks may love it, but the business needs an invoice. No invoice, no purchase.