I use PGP and have for years, works out pretty well!
I wouldn't use disk encryption on low end SSD drives as it slows them down a LOT. (computer often freeze for 15-30 seconds)
With a good 7200 RPM disk (maybe 10k rpm for stationary pc's ) you will probably never notice it.
fill up the computer with lots of RAM to minimize temporary disk writes
Then again I might be wrong and it might have made my laptop slow as fuck compared to how it should be

