I have a new iMac quad core i7 and am wondering how to connect my WD external hard drive via the firewire 800 port AND connect my hd video camera for uploading footage via the same port. I came across a couple option but not sure how they will work. 1.) can I connect to this iMac via Gigabit Ethernet to my external hard drive? 2.) Should I get a powered firewire hub? 3.) should I find someone to install an eSata connection on my new iMac. Any help is appreciated!