If you're looking for blog commentary I recommend visiting my vote yes blog:
http://stvforbcvoteyes.blogspot.com/

I have links to a whole pile of blog posts which comment on the the referendum. (they are organized as 'in favour', 'neutral', 'opposed' -should I put you as opposed or neutral - or hope that you still may come around

My most articulate explanation of why I'm in favour is here:
http://tinyurl.com/3o9l2
Declan | Homepage | 03.22.05 - 11:24 am | #