Something I've only just discovered the usefulness of is code templates in Netbeans. I always used to have autocomplete set up in Outlook for common phrases like "if you have any queries, please get in touch", and saved a lot of typing.
18 Jun 2011
It's a good idea to theme the error pages on your site. It looks more professional and provides a better experience for your users. A lot of people have a soft spot for the Twitter fail whale. Some people really love it.