I am starting to digitize a project shot on an HDX-900 in High Def (dvc-pro). We have about 40 tapes, 30 mins each. Final project, 22 mins. Any advice on whether to get an external drive or to try and stripe a few internals? I am working on a Mac Pro Duo-2.66 desktop on FCP-6. Starting asap, plz advise! Thxx.