I would use blogspot and a custom subdomain. As aaroneous said the blog will keep up if your servers go down, and also you will save headaches and time that you

I would use blogspot and a custom subdomain. As aaroneous said the blog will keep up if your servers go down, and also you will save headaches and time that you can use on growing your product. The only problem I've with blogger is their template system, I simply don't like it.