One of the best performance tweaks I have learned is to increase the size of the swapfiles on OSX. Instead of a collection of ever-larger 64M, 128M, 256M, etc. files, I typically change the dynamic_pager settings to make very large swap files in the hopes that I will need just one. (And this one file will be created at first-boot and I will not have to wait for the BeachBall while swap files are