^^front note, you have 2,000 posts and haven't kept up with the Japanese > English thread?
Anyways, i guess i don't know for sure either and i have. @_@
But the wards are going to be completely redesigned along with the maps.
Also, the wards right now are hit particularly hard by the current server limitations.
I know they are doing something better for 2.0, but it can't be done on the 1.0 system.
I'm not clear on what that is though.