I looked at it, and nothing really looks out of place or excessive. You have to realize that you've got a lot of processes that aren't really processes, but rather just kernel functions that have been broken out into individual PIDS for maintenance and tracking purposes. The rest deal with the desktop, WM, xwindow system and basic system maintenance. They're really not that memory intensive. At first boot, I'm using just under half my base memory, and that's only because I've got so bloody much loading. Even after several days and with a little polluted memory, at idle I'm still only consuming about 75% of memory. Given what it takes to run most apps, that's plenty of free ram to do whatever you need to. The only exceptions might be movie and music playing.