What I'm in the process of doing right now is toning my resume to the point where depending on what my focus is, those are the elements that are emphasized. You really need to know who your audience is going to be, because they're only interested in the things that apply to their field. The rest can be icing on the cake that'll give you an edge over someone else, but if you don't have the meat of what they're looking for, you may be passed over. The hardest part is making that information quickly and easily apparent to them.
As far as online samples, a quicky google search came up with this:
http://www.damngood.com/introjobseeker.html
Might be a place to start.