+1. All of Google's AJAX apps start blowing up the VSZ/RSS of the process when I leave them open for even a medium amount of time (i.e. longer than 15 minutes).

+1. All of Google's AJAX apps start blowing up the VSZ/RSS of the process when I leave them open for even a medium amount of time (i.e. longer than 15 minutes). This is using Firefox on Mac OS X. Most of the Google AJAX apps are not supported in Safari as yet, so I can't really compare and contrast ;-) I can't say that FF is great on RAM to begin with, however, but this could be b/c I always have at least 3 tabs going, sometimes up to 30.