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I disagree totally and completely with Cheka's aversion to having the stats included at the end. As a DM, I enjoy seeing the implementation of mechanics, and there's a great deal of information to be found within the mechanics you've provided. I don't run pathfinder, but the information is still useful and completes my understanding of the item. I suspect you'll encounter a great deal of hostility from most of the citadel- you might want to throw them a bone and generalize some of the information in a less mechanical light by making a section that discusses the weapon in a system-free way.
GOOGLE DOCS, GOOGLE DOCS, GOOGLE DOCS.
Seriously, Google Documents is amazing. It has been a godsend for my online campaign. Any of my players can open and edit their Campaign Google Doc, and they've used it for session summaries, listing their inventories, quests, rumors (which I actually post to twitter for them to find), and so on. I even have a few documents that only a few players can see so I can dynamically introduce them new information as the campaign progresses.
I feel there should be a spell to instantly create a map, based on what the caster sees. Then, using this map which only applies for a short time (up to two hours, perhaps), the caster can then cast using the map. In this way, cartomancers aren't entirely left behind in combat.
I can picture a cartomancer drawing their own battlemap in the midst of a battle and using that to direct their magic :)