Almost You mentioned in the past that the switch/swap coins button would be in the next update.

It appears that hoeczek is already doing it for some of them since it shows "must be > a certain amount"... @hoeczek: Did you tweak it to improve generation times when an API's response is delayed?
^{- @hoeczek: I don't think it's a good idea to include exchanges that don't support a specific pair in the results (screenshot).}