Why Blogger?

So as a web developer I'm actually struggling with the idea of using a free blogging service. Shouldn't I build my own?
Do I lose design integrity by selecting a template via radio button?

Possibly...

But, with all the work I have to do on my portfolio site, my wedding site and of course my day job this is more about getting things done than some belief that I have to do it all every time.

More to come.