Hopefully, 7GB of RAM will make everything shiny smooth.
Look into a program called iFreemem, it will clean up all unused memory. Mine started running well with 5G of ram.
In 1974, when I was a grad student at MIT, Digital Equipment Corporation gave MIT a very generous gift of RAM. The gift was 2 megabytes, then valued at $1M, and considered a major upgrade to a timesharing system that was supporting 70 simultaneous users.
My friend's upgrade today was 2 gigabytes, or a thousand times as big, so in 1974 it would have been worth at least a billion dollars. Given that the new memory is probably at least 100 times as fast, draws about a millionth the power, and is about 1 million times as reliable, I'd say I can up the value to at least several billion dollars.
Not to mention, these are 1974 dollars we're talking about, so I think I'm safe to say that in 2007 dollars (and 1974 technology) I gave my friend a $10B upgrade today, for DIMMs that cost her less than $100.
Are you Protein Folding ?http://www.freerepublic.com/focus/f-chat/1906532/posts
There is a SMP folding client for OS X
it runs as "nice" so it does not interfere with any process.It does not take much memory only leftover cycles.