I always think simpler is better for December Daily. It's a big enough project on it's own.
I've done mixed-size paper books the last two times and while I love the look, it was a LOT of work to put together. So this year I'm doing a 5x7 hybrid mini album using templates I designed myself. Plus I'm doing away with the daily-ness of December Daily and doing something a bit more me.
I shared my printed foundation pages on my blog today if you want to check them out:
http://www.nettiodesigns.com/2011/11...ndation-pages/