To those who attended classes, what would you say the advantage is over a more independent approach such as working through the MERM? Was there a collaborative element with your professors and class mates?
Taking an online class (any of the ones mentioned) will help you focus better and study smart. It will also convey in solving the problems quickly (thru tables, charts, etc). Time is your #1 enemy for this exam.
I took the School of PE as more of a review as I self studied for about 4 months (MERM, Shigley, NCEES) prior. I thought it was pretty good and I am convinced it helped me pass (1st attempt). Study material was on par with the difficulty with the exam (AM session only). The PM is entirely self study. What the NCEES lists as the fundamentals within the PM depth, you need to know very well, both quantitatively and qualitatively.
For the cost, Dr. Tom's seem to have the best value as its 20 weeks and covers AM and PM, but looks like it already started.
If you self study, try resurrecting your college text books for problems (around same difficulty as exam), 6MS (slightly harder than exam), NCEES (easier than exam), MERM (really difficult). Repetition helps, as well as getting exposure to as much problems (and understanding them right or wrong) as possible.