It looks like you have social media optimized and your site itself comes across as very professional. You're using Google Analytics - what information that gives you should certainly help tweak your site to improve your ranking. I would update your meta title and description though. Even though your description will not directly impact ranking, it can be improved to compel a call to action, which will help with traffic. What's your average time on site and bounce rate?
For everyday SEO information, please visit http://seo.alltop.com
. What you'll find there are tons of current articles from the top SEO gurus. It's worth making it a part of your schedule to read at least an article a day there.