I just recently switched to a longbow from a compound myself. I purchased a used custom made longbow at a longbow shoot for $175 just to try it out. I don't think it even has a brand name. It really has made archery fun again!
One thing you might consider is the draw weight. When I decided to try traditional I went down to try out a few bows at a supplier and started pulling bows that were similar in draw weight to my compound...I could barely pull them back! You may be surprised what you can pull and shoot with a traditional bow.