Some useful typing websites.

Good for beginners:
http://www.typingweb.com/tutor/

Tricky patterns:
http://www.powertyping.com/

Bottleneck -typing

When I turned to speed mode. I start to realize my worst issue is typing.  It's time to think through from now on.

Here is a good link from Steve's rant:
http://steve-yegge.blogspot.com/2008/09/programmings-dirtiest-little-secret.html