It really depends on your needs, so we won't get into manufacturers.
Questions you need to answer for power boats:
- 1. Will it be used for fishing, skiing, racing, or some combination of these?
- 2. How many people does it need to carry?
- 3. Will it be used primarily on a lake or open water?
- 4. Will you have to tow it or will it be kept at a marina?
Questions you need to answer for sailboats:
- 1. Will it be used for racing, recreation, or a combination of these?
- 2. Will you use it on a lake or open water?
- 3. How many people does it need to carry?
- 4. How often will you use it?