This depends on if you want your company to stand still online or live in real time? The benefits of Wordpress are outstanding and in high demand. Even the NY Times is a Wordpress. It makes perfect sense and will set free of any boundaries of traditional building and SEO.

SEO is about onsite content and will bring in the best organic search results for your product or brand if done right from the start. All I build is Wordpress for my Clients and Myself let me know if you need more help.

Wordpress. com Vs Wordpress. org
http://www.bloggersschool.com/2009/01/05/using-blogger-vs-wordpresscom-vs-wordpressorg/

Best Wishes
John Ciampa,
Bloggers School