This all depends upon how much work you actually want to do in the wordpress admin. I found I usually do not like to use wordpress themes made for only one reason. I manage a few wordpress sites and I find that by using one theme and customizing it, I work faster. So I usually customize Gantry Free Theme.
I had three links to the download pages, but BHW says I am too newb to post links. Search terms:
Gantry-Framework and go to download page and choose Wordpress (Joomla is default). Install framework (plugin) then free theme.
WP-Reviews - free plugin on wordpress' plugins system
Rocket Themes (makes Gantry) has a few cool free plugins, you can filter for them on their plugins page by choosing FREE