stars_gone_nova mentioned needing a 2008 calendar. And I recently made a very simple half-sheet calendar that I carry around with me as a proxy for the detailed calendar I keep at home. It's a replacement for the Harvard Book Store bookmark that served as my travel-calendar in 2007. It occurred to me that other people might want to use it, so here it is.
Get the PDF or Visio Source.
I printed it on card stock. If you want one printed on card stock (and you're willing to wait until early February), I'm happy to make it for you. I can also make smallish changes, if you want something differently sized, for example.