Hi, I gleefully convinced my cousin to switch to mac, being a fairly new switcher myself. No complaints about that. I bought myself a nifty OWC elite external hard drive which was an awesome plug and play/works great. My cousin bought a brand new 24' iMac 2.4 Ghz intel core 2 duo and decided to go for the giant 1TB Western Digital My Book Pro II. We did the set up the guy at the Apple store recommended- HFC+ and RAID 1 (something to that effect) under disc utility - I just forget now. It has worked great up until he had a brief power outage the other night. Now the My Book doesn't mount and neither of us noobs have been able to figure or google it out! We tried unplugging/rebooting/reinstalling the WD install disc-but getting nowhere. We always used the firewire 800. Today I tried connecting with the USB and got some kind of volume info showing with disc utility, but didn't want to continue since we don't know what we are doing. I see from some Apple discussion forums that the Firewire 800 may not work so well with some external HDD for whatever reason. Just wondering if there is a thread I missed, or some solution out there to get this thing working again. I wouldn't be hurt if someone replies..."just go to WD support", but I sorta expect a run around. We have no clue how to proceed. He only had a few weeks of media stuff stored on it, but Man, it was a pricey drive to buy! Any suggestions at all would be very appreciated. Thanks!