Howdy. In my A+ certification class (mostly PC stuff, ew, I know ) me and a buddy of mine we wondering... A bus like ATA133 is supposed to be 133 Mb/s, right? Firewire 400 is supposed ot be 400 Mb/s. Firewire 800 is supposed to be 800 Mb/s. How come computers are using Serial ATA, SCSI, ATA 133, etc, when there's Firewire? It's faster, right? Or is it? and I've always wondered why my Power Mac G4 (AGP) has a 6 pin Firewire port on the motherboard. Thanks.