There was a great one started over at zealot by jaybats ..
Better Modeling with Meta/Pep/P.N – Tutorial 1: Introduction | Zealot
Theres also a few HUNDRED more on the net...heres a decent one..
Daybreak-Studio Metasequoia Tutorials!
Deviant arts has several hundred as well...
Meta by Arkenidae on deviantART
Either way, they will get you started if you can remember what you just read than go to the program and try it. I wish someone would put together a PDF you could print out, and they were going to with the one at zealot but it never happened and that one died a painful death before it got far enough into it!
Mike