It really depends on what your application is and how much critical functionality relies on hard to replace proprietary services. If you store a lot of data, t

It really depends on what your application is and how much critical functionality relies on hard to replace proprietary services. If you store a lot of data, transfering it is a big deal too, of course. But really, computers are computers. It's easy to move software between them. It just takes motivation, effort, and time.