Currently Being ModeratedDec 12, 2012 4:17 AM (in response to Montipora)
You should be able to run ML with your model and RAM without any slow-down at all.
Take a look over ds store's excellent user tip - Why is my computer slow?
If you see anything there that's applicable, you may be able to 'speed' your computer up a bit.
And let OS X do it's own maintenance - Onyx and Sophos aren't really necessary and deleting some of the caches might actually slow you down even further.
Currently Being ModeratedDec 15, 2012 11:46 AM (in response to Montipora)
I'm noticing this too. I have a mid-2010 MacBook Pro 2.4 Ghz i5 and after I got Mountain Lion installed on it (a fresh install where everything was deleted and manually added back piece by piece), everything just felt a little more slow and non-responsive. One of the the real annoying things is that when I connect a firewire hard drive with a lot of video files, it takes a long time to go in and out of folders to see the directory refresh. I'm debating on going back to 10.7 Lion if possible, I don't recall any speed issues with that.
So far I've only just done the suggestion in this thread to move all the Desktop files to a diff folder (I threw them in Downloads). I had a bunch of files on my desktop. Let's see if that helps. Otherwise, I'll explore some of the tips that have been brought up in this thread.
But with the slow directory reading, I know that has nothing to do with the desktop files because that's on a different partition install of Mountain Lion that doesn't even have Filevault on and is still slow.