Quick install. Took me about 20 minutes to get my API and page id and setup where I wanted it on the page in my site. I was using the free version, but I am now going to get the paid version and the Twitter module, too.
It does what it says and it looks great. I do recommend this to others wanting to insert the Facebook Fanbox on their Joomla 1.5.x sites.
Thanks to other reviewers who posted hints on what to do and the link to get there.
Keep up the good work!