> 2) Mac OS Lion also added a feature named "Spaces" (I think this is called virtual desktops or so on other platforms). The problem is that when you switch between spaces, both screens switch simultaneously. Now let's assume you use your secondary monitor to show an IM client, or to show some live error log, or similar, it's really annoying if that disappears when you switch between spaces on your main display.

Can you explain how is this fixed? Are the spaces on each monitor independent or is there a method to "always show" certain windows? Because I really hate the former method.