Should be pod casts AND internet
Tough to answer, should be one for all the above. I think that would be true for most of us. Before the internet it was "My own trial and error experience", then the internet open up a whole new avenue.
This is a difficult pol because I learn a lot from blogs ... which in a way is "other woodworkers" plus I bounce a lot of ideas with other non virtual woodworkers.
Tom you missed a very important one that is my #1 source ... Woodworking Podcasts
Tough to answer... I have used many of the options listed above. I had to go w/ "something else" given the lack of an option for many of the above.