I'm starting to look into buying a video camcorder, and at the moment, I'm leaning toward a Mini DV. I've had almost zero real experience with Mini DV's though, and I'm just wondering how long the battery life is on average. I'll be going to a concert next month which should last about 90 minutes at least, and I'd like to be able to capture most, if not all of it. I've read in a few places that most tapes hold about an hour, which isn't a problem...I can just bring an extra. I'm just concerned about the battery lasting long enough. Any other opinions would be really helpful. Thanks!