What course(s) have you really enjoyed or found the most helpful to you on Coursera (or elsewhere) that you would recommend highly? Why?
Also, take a look at the post Create Your Own Coursera Course Collection
! It contains wonderfully descriptive lists of courses that learners on Coursera have taken and personally recommend. Some have to do with design, some not. If you decide to add a design related collection of your own, let us know by also posting to this thread.