I'm a happy user of Tarsnap. Why should I consider this solution? Also (playing devil's advocate for a moment) what's the best reason you can give for me to just keep using Tarsnap?
To play the devil's advocate, if you're already a happy user of tarsnap then you (like me, in fact) are probably quite comfortable on the command-line, and may even prefer it. As of right now Cryptic doesn't have a command-line utility, although building one is definitely on our radar! But until then you may find it more comfortable. Thanks for checking us out though!