If the only problem is how long it takes, then have a mod map it all out. Really, it wouldn't be that hard, just take some time.
While I think this will work well, it would require editing the source code of worldguard and pulling data from stargates. I doubt andrew would make it a high enough priority to implement it.
No no, this would be easy. When you do /rg info you could add the floor number/row along with the cords. It wouldn't be that hard? Someone could map it manually?
How are the ones on the top floor worth more? They're closer, but that's about it. 6 blocks between floor 19 and floor 18 doesn't make much difference :/