I must have listened to Randy's podcast, EP030:Randy talks elk hunting strategy, day-by-day, over a five-day hunt, 5-10 times. I made multiples maps of the area I'm hunting in, and used the same approach he recommends in marking them up. While I haven't yet to be successful this year, I feel...
Big fan of Caltopo.com. More of a map makers tool, simply because of the data you can layer into your maps. For example, fire burn history. You can print up to 11x17 with free accounts. I send to Kinko's to print with instructions to laminate. Cost me about $6.