Last year, I purchased the excellent Colorado Trail waypoints from Bear Creek Survey. In addition to uploading the file to my GPS, I also added them to my printed maps. Combined with Stefan's excellent track files, it was pretty cool to have so much information available at the touch of a button (and the turn of a page).
In light of the new Colorado Trail Guidebook (and presumably Data Book) coming out in a bit, I checked with Bear Creek to see if the waypoint file is also changing--and indeed it is. New files should be available to purchase in a "couple of weeks."
Information on the updated Colorado Trail Guidebook:
Bear Creek Survey:
While on the subject of spending money: If you are planning on riding the CTR this summer, please make a donation to the Colorado Trail Foundation. The trail is an amazing resource, and the Foundation could really use some extra cash to buy new tools, chainsaw oil, etc. Compared the the money that we spend on bikes, gear, food, etc., donating $50-100 to maintain the trail is a bargain!