Anyone else reluctant to buy through the Mac App store because of the perceived lack of uptake? For example, I've been a longtime owner of a Transmit license...it's worked for years now. If I don't keep up with OS X releases, I can still download past binaries and use the key (within a limit...for example, Transmit 3 owners were required to upgrade to 4.x). But what if the developer decides that it's not worth mainta…
http://www.panic.com/blog/introducing-coda-2-5/
Other publishers have done the same thing. (with regard to upgrade pricing, usually, but I'd assume a similar approach to avoid backlash if they left the MAS) However, your concern still stands, as not everyone will do that.