Type Rating - which type, where, why pay etc?

[Winkiepinkie]

Type ratings.....

Ok, my fellow Ppruners, I know the basics, but I'd like a bit more info namely on:

- Bit more detail on what the actually are
- Whats involved
- How much does it cost
- How long does it take, and
- Where you go about doing them.

Thanks you crazy bunch.