While looking around, I found an online course offered in Gregg Shorthand: http://www.universalclass.com/i/crn/33894.htm .
From the description, they’re teaching Simplified (though the “Recommended Books” section lists a Centennial book… but the Syllabus has the Gregg Shorthand Manual Simplified in its “Course Materials” section).
Costs are $45 for the course if you don’t need a certificate, $70 if you do.
Apparently, it’s a self-paced course (you have six months to get through it) with a real instructor.
I’ve got no experience with distance education, much less this particular provider, so I have no idea how useful (or legit) it is, but I thought I’d share it with the group—in case someone wants something a little more structured than being completely self-taught.
(And if anyone has heard of UniversalClass.com, whether good or bad, please let me know as well.)