The latest Intel iMac line is a killer desktop, from its brilliant screen to its excellent performance. But it’s a little lacking when it comes to expansion: A workstation really needs more I/O than five USB and one FireWire port! Since I’m a storage fanatic, my attention naturally turns toward eSATA, and I’m not the only one. Although I’ve come up with three different methods of adding eSATA to my iMac, I haven’t yet taken the plunge and made it happen.