[ Stupid LiveJournal, email-posting is broken again, so this will probably be a dup once their mail server coughs up the now-8-hours-old other version... ]

Dear Lazyweb,

FileVault: good idea, or performance killer?

To use it effectively, must I arrange for all my music, video, and XCode build directories to be on another partition? Because that sounds like a pain in the butt.