I agree. Although this is just beta and it's possible that they will announce upgrade paths when 1.0 is ready.
> The final release will sell for $69.99, with an upgrade available to registered users of Kaleidoscope 1 for $49.99
So, save $20. Not terrible. My gripe right now is that to save the most money, I have to pay for software that is incomplete and I have no promises about what will happen if it never makes it out of beta. Granted it seems likely they'll finish it, but not knowing their plans for failure bothers me.