and a letter of residency from immigration - Some immigration offices charge 100 baht and some 0 baht but the letter is addressed and valid for one bank only (Kasikorn etc)
The most important question is really: when is the burning season (when you will have to go into exile more south near the sea). It has been terrible this year.
exchange rate does help exporters but admin burden more than cancels out the benefit of no longer being in the single market. And since we are in a Thai expats group the drop in exchange rate was devastating for quite a few on non-o pension visa.