I successfully installed WhichSpace, but it didn't seem to support multiple monitors. So then I saw a version of it called SpaceMan which does. That's installed and running fine now. So now I need to read your awesome post on navigating Desktop Spaces with Macros and see if my senile old brain can understand it. I'm trying to use Macros to assign a set of application windows to various Deskspaces, eg macro 1 distributes windows in a certain way across two monitors when I am primarily working with e-mail, macro 2 rearranges the application windows when I am primarily surfing the WEB, etc.
Many thanks! After following the suggestions above I was able to install WhichSpace and SpaceMan.
Now trying to figure if I may automate custom window/app placement in multiple Mission Control spaces with KBM for multiple different sets of placements.