I'm cheap and have a strong desire to be crafty, so I made mine. My first was a journal that matched this:
http://milo.com/2011-weekly-planner-...ement-calendar
I learned a lot from that. Today I'm making one from this journal:
http://milo.com/chinese-peony-lined-journal-65x9
Despite the site listed differently, they're the same size. I have a wifi but a color fits there too. I used directions from how to make a book safe to do it. I'll be sure to make cuts on the bottom and top for ports and such this time. I jumped in a bit too quickly the first time.