Ok, so you have spaces...AWESOME. You can set apps for certain spaces...SWEET.
But you use the computer for what...WORK...SCHOOL...FUN...ETC
And you have X number of spaces...RIGHT?
For school, you use pages, itunes, safari, address book (EXAMPLE)
For work you use CS3, FCE, LOGIC (EXAMPLE)
for fun its safari, Mail, ichat, WHATEVER
And you want each in its own space, while Space's current feature can do that, maybe you want safari in space 1 while doing homework, and safari in space 3 while doing your fun. So I think WORKSPACES would help, a preset that you make and customize that you chose from the spaces menu bar thingy, and it will open all the apps in their right spaces, when your finished your HOMEWORK, and ready for fun, you select another preset (WORKSPACE), and it will open all the apps set up for it in its specific space.
You get my point now?😎
EDIT: nice avatar XUKHCx 🙄