Ah, now you’re tempting me! One of the reasons why I switched to Omnifocus was that I found I really missed calendar integration which the devs of 2Do at the time made clear they wouldn’t provide. I was also reluctant to become a Toodledo Pro subscriber as there were sync issues with sub tasks. I’m happy with Omnifocus for the moment, especially Forecast and Review, but I do miss the beautiful interface and time zone support of 2Do.