Good advice.

If you are using a new hub keep in mind you may need new spokes because the distance from the new hub's flanges to the rim may be different. You'll need to check that. It might not be a bad idea to just buy a whole new rear wheel to save yourself the trouble. If your going that route I would just buy a new wheelset though. It would be simpler IMO.

Also: if your crankset looks like this you might need to buy a new one:



That's about it for the major stuff. If that doesn't cover all of it feel free to ask more questions and remember your LBS is always ready to answer questions as well. Welcome to the forums!