Log and capture, do not capture now. When you log clips, make SURE you don’t create a clip that spans a start/stop camera pause and give yourself healthy number of frames (seconds) from any sort of timecode break or start of tape.
If you get a “stream error” write off that section of the clip on the tape and re-log it, you’ll never get those frames back no matter how many frustrating hours you put into it.
On the set, slate your takes and you’ll always have enough head at the start of your shots to avoid problems.
BE REALLY CAREFUL WITH YOUR TAPES!
Clean your tape heads and then NEVER mix tape stocks! EVER!
If you have the money, get a Matrox MXO for monitoring. Its worth it in ways you won’t understand till you work with it (because there’s no other native way to look at the HD version you are cutting than DCDP, and DCDP kinda blows for anything other than roughing.
You don’t need the raids for speed, but a mirrored drive set aint a bad idea with this stuff.