I did not even know this existed. Sounds really really useful. Wally is a real genius. If he also manages to keep the apps where they are after you swap resolution around for replays, I should ask him to marry me.
The secret is the acos.ini file under Documents...
That holds the app positions. If you take a copy of that file before you change your resolution, then put it back afterwards, you will restore your apps.
Shall we set a date?