I stuck an intel SSD in my 2011 mbp, as well as 16gb of ram (it was really really cheap..).
I disabled the pagefile completely, and things are as snappy as ever - I can't think of an application I use that would use up so much ram that I need to page to disk.
I disabled the pagefile completely, and things are as snappy as ever - I can't think of an application I use that would use up so much ram that I need to page to disk.