I learned about today’s Byte topic through the James J Hill library (http://www.jjhill.org/).
Press Release Grader: http://www.pressreleasegrader.com
You paste your press release into their web site along company name and URL and they grade your release and make suggestions for improvement.
They do a good job of reminding you of some obvious, but easily forgotten tricks for making sure that your press release will do well with search engines. It doesn’t check for grammar, spelling or quality of writing – but again helps to make sure you have the info you need – such as contacts.