<Gasp!>
Yes i know, I spoke ill of the Almighty Wordpress. so let me clear this up. WordPress is F*&^*%ing awsome. is so bendy and flexible, and themeable with plugings and stuff. it makes complex tasks simple - but its alot of power for a simple site.
To do wordpress properly, you need a Domain, webhosting, theme, set it all up, Make it pretty, and then plug in your content. there are a couple hours of setup to start from scratch.
with Blogger on the otherhand; buy your domain, signup for blogger, Point our domain to blogger Voila. Dont want the blogger look, Customize the appearance and turn off the blogger header bar.
Adsence is integrated, as is a form of Analytics. For a beginner, you can be off the ground running in a few minutes.
So how is this rapid prototyping? well if you can build a production ready site in a few hours, you can devote more time to content. your only cost is a domain name ($10/year) if the site doesn't work, your out 10$ if it does; great, move to wordpress if you want, or stay put.