so i'd really need car batterieS, plural? and there are a lot of other fire wire external raids like the ones from cal digit. but they still cost a lot compared to the fact that you can get a seagate 500 gb sata for a little over $100. plus were back to getting a laptop, P2 store, and RAID. it might just be i don't know enough to see why i can't make my magic mega p2 store.