I'm now a big fan and enjoy using it with my project work. As I deal with certain types of engineering information, I find it especially helpful in showing design drawing details.
The Prezi website has some great examples. Please let me know if you're keen and I can send you links to a few of mine.
Practical info: A basic account is free of charge but means that any presentations you create are open to the public - it is cloud based software. I have a paid account so can keep my presentations private – likely important if you are using for work. Prezi does offer a very handy free of charge 30 day trial...