Profession Trainer
Profession Trainer is a add-on that integrates itself with your choosen professions, tooltips, and your bank.
It provides a easy to use interface that tells you exactly what you need to craft the items to level your profession the quickest, it will put a note in the tooltip of an item you will need if you happen across it in the world. It will also search the auction house if you choose to find materials as well as give you a price.
Every Profession will be supported.