I swear by Glyph drives. It is the only drive that has NEVER crashed on my. I have one Glyph that is on 12 or more hours a day and has been for almost ten years now. They are a little pricier than most, but they are very quiet, something very important to an audio guy like me!!! Two (2) terrabytes is about $225. And Pro Tools loves the Oxford 924 chip.
BTW, I have a boot-up/software drive, I have another internal drive just for video playback (the video is deleted when the project is completed, a copy is on the archive drive), and I do my audio post work on a project specific external (Glyph) drive.