One thing for me was when Snow Leopard -> Lion changed the grid virtual desktops to a single line with a slow animation between them. That absolutely killed th

One thing for me was when Snow Leopard -> Lion changed the grid virtual desktops to a single line with a slow animation between them. That absolutely killed the feature for me. Can no longer efficiently swipe between more than two. I just cmd+tab on a single virtual desktop now, and have ever since Lion was released.