4 days to back up 60G of data and I gave up, Any advice on how to speed this up

You probably have something wrong on your local network for it to take that long to backup. Couple of things, first go with Gigabit (1000 Mbit/s) networking if at all possible. Second see the following link.

http://community.wd.com/t/before-you-pack-up-your-wd-and-return-it-lets-talk-about-copying-speeds/91887