Well now is a good time to start with one then

There is a
list of submission sites in our industry directory, when you're ready to start distributing your release. Many of the submission and distribution sites are free, which is just fine when you're first starting out.
For some good examples of completed releases submitted by other VAs check the
Press Release section of the forums - note the format, the presentation, the tone of voice.
The idea is that you're writing a release in order to present information to the media, ie - journalists. Of course, now that's morphed a bit and people use releases as an opportunity to 'advertise' as many of the search engines pick up and index releases - just write yours in a professional tone and without sounding too much like an advertisement.
I hope that helps!
When you've got a nice solid rough draft ready you can post to the
How To's and Help Me's section for assistance with editing.