I had PF, heel pain, and Morton's Neuroma for several years. There were times when I could not even walk from the kitchen to the living room. I had to crawl.
I think seeing a podiatrist, physical therapy, and good orthotics are all needed. As mentioned, it's a slow process.
Shoe brands are important, but so are shoe inserts. Buy shoes that have removable shoe insoles and replace them with good orthotics/shoe inserts with rigid (or at least semi-rigid) arch support. For shoe brands, I like Mizuno, Asics (the high end models for running), Sanita, Arcopedico, and Spenco. I have a pair of Vionic that are pretty good, but their recent models are inconsistent. Do not get gel insoles--they don't provide enough support.
When trying on shoes, be patient and don't try too many pairs at one time. Go to a great shoe store, such as the Walking Company and Footwear etc, that provides good advice. Some professional running shoe stores (like Road Runner Sports) are also great. Avoid general stores like DSW or Sports Authority.