I'm getting a new mac pro, and I really want a RAID 5 setup. The RAID 5 will be for Time Machine backups, and archives of my files. So nothing I need access to immediately, but still, every now and again I grab something off the drive. It's not going to be my system drive, or my working drive. I've thought about a Drobo, but the USB connection is holding me back, plus, it's just more clutter. I figure since I paid all this money for a tower, I might as well have everything be internal. Sooo, my question, is what's the best RAID 5 card on the market? And is it worth paying apple $800 for theirs?