Here is a new typing tutor for you to consider if you are looking for a formal typing program. It’s called Typing Pal and they offer both downloadable, standalone typing software or an online program. From their site:

Whether you’re writing up a report, draughting a letter, putting together your CV, sending an e-mail message, or chatting on the Net, perfect mastery of the keyboard has gotten to be one skill you absolutely cannot do without. Thanks to Typing Pal, learning to type has never been so simple and pleasurable.

Check out Typing Pal