P2 systems suck a huge dong! that is a studio camera, not ideal for shooting in the field.
$1200 for a card that only records 16 minutes? um yeah that shit is weak.
DV and HDV tapes are NOT the same.
trust me, i have lost a lot of sick shots because a low quality tape glitched.
Buy sony HDV tapes, and use a head cleaner to keep your heads clean regularly.
packing the tape also helps. simply put in the new tape in vcr mode, fast forward to the end, the rewind to the begining and you are ready to go. this will fix any possible wrinkles in the tape from the factory.
you will still get a glitch now and then, but 99% less that with a standard DV tape.
never record over old stuff, you are just asking for trouble if you do.