Stuttery Animations

Interesting. The past days I have been searching for informations of how ML performs on a 2011 (i7) Air. Actually there are plenty threads already for Lion with Choppy annimations. Example: https://forums.macrumors.com/threads/1397054/ I got those myself under Lion, it irritates me a little these days due to the fact that my feeling is it got worse the past weeks. Therefore I was looking for details on it for ML. There are plenty other threads here, some say it performs a lot better due to graphics acceleration, some say it is the same or worse. There is one group saying it must be a clean installation, others say it doesn´t matter just upgrade. For the time being I´m actually confused on this and may want to show it to Apple in a store. I´m a light user and I did not install many App´s, with 160Gb free there should be enough performance on my 2011 i7.

Even with the dock on the side (2D) I still get some choppiness. I also get artifacts and other graphic glitches on occasion too. This is on a 2011 MBA.

Sometimes when going into Mission Control, some windows don't show up, they just have a thin white vertical line where they should be and empty space.

Also if I use a transparency theme on Terminal and it is over top of another window (like Xcode), moving the mouse over it can cause a cross weave glitch around the cursor.

I think the HD 3000 driver could use some tweaking.

This has been a known issue that has been there at least since Leopard introduced the ski 3D dock. It's a pity Apple did not sort this out by now.

On a side note, I bet the 320m in the 2010 Mac Airs will be just fine since it has more polished drivers.