A really cool way of changing spaces!
I know I am back with another Leopard-only tip, but it's because it is new and there is so much great stuff that I discovered and want to let you know about. In Apple demo video, they only showed how to change from one space to another with "Ctrl - 1" (the number corresponding to the space you want to go) and "Ctrl - Left, right, up or down arrow". I thought that was cool, especially the one with the number, but I discovered after using for a while that there is another quicker way. So let's say you have Safari in space number 1 and Mail in space number 4. You are currently in the Safari one and you want to switch to Mail. Using the "Command - Tab" dialog to switch to Mail will actually bring you to the space where you can find Mail. You can also just click on the Mail icon in the Dock to switch as well (if Mail is open in the other space). I think that's great, because you might not always remember in which space number you left a certain application.