Tutorial Wildfire

PTC has some getting started type stuff on their site. If you have a maint contract you can access the knowledge base that has a lot of Suggested Technique articles, basics and advanced.

Frotime (frotime.com ?) has some freebies on basics.

You can try searching the group for tutorial or Google Web search for Pro/Engineer tutorial. Lot's of hits. Most of it's older stuff, but still informative if you modify the methods to match the new interface. Foundation vs. Optional module capabilities can cause a lot of confusion, though, especially when you're dealing with tutorials for older versions.