The rule of thumb is to select a unique, short name and URL that are easily remembered. These “branding tools” make it clear in advance to targeted readers using search engines to locate blogs of interest to them, what your blog is about and which niche it’s in before they click into the blog. Once readers do click in a unique, short name, URL and tagline along with a distinctive logo and/or graphics assist readers to recall where to find your blog again. An optimized About page with a clear blog description will likewise assist your visitors. Here are some guidelines that may be useful to you. > Blog title and branding > http://onecoolsitebloggingtips.com/2010/07/31/blog-titles-and-branding-tools/
Posting an email address in the conventional email address format you have used on your Contact page guarantees that it will be harvested by spam bots. It's better by far to use a contact for instead. See here >http://en.support.wordpress.com/contact-form/
Best wishes with your blog. :)