Ditto. I do leave SSMS running for a few days, and I get it moaning at me. I've got 11GB of RAM free on my workstation and still it complains.
"An error occurred while executing batch. Error message is: Exception of type 'System.OutOfMemoryException' was thrown."
The GUI is also slower than 2008R2 when doing restores - yes I can code but sometimes its just nice to be lazy and use the GUI.
Two steps forward one step back...