You can use miniDV and set to LP. That will give you 90 minutes. Despite what some books say, you won't lose any quality - at least not any that I've been able to detect with my testing. According to Sony, you only lose the ability to use in-camera digital effects. No serious shooter would use those anyway. Also, despite the ability to record more data per frame, I don't believe you'll be able to detect even the slightest bit of quality difference between miniDV and dvCam. If you're pastor goes beyond 90 minutes your viewers will likely be nodding off and not notice the few seconds you'll lose with a tape change! X-D