Wiki or Blog?

I had pretty much decided a while back to turn our library web page into a wiki. Have actually been working on it off and on for a couple of weeks and had planned on linking it to our school web page in the fall and start off fresh. I recently read an article in the January issue of SLJ, "Putting your best foot forward" by Carolyn Foote on how some schools are using blogs as their library page. The idea being that it is in a format the students are used to and you can keep it constantly updated and fresh. One of the examples shown was Milpitas High School Library. I must admit, I liked the format and some of the widgets the librarian is using. I noticed that when you linked on the Pathfinders the links take you to a wiki. So even if we switched over to a blog format should we still keep our Wiki? Then why even switch? Maybe we should just keep our Wiki and continue to link our blog to that. Now the dilemma, should I switch? Our wiki is coming together, still needs tweaking though. I tend to use this blog for professional blogging and Porter Reads I have linked to school. Porter Reads would be the obvious choice if we decided to use a blog instead of the wiki. Decisions, decisions.