While I'm still waiting on mine, I have been reading this thread with interest. It seems from cruising around on another forum, Project-JK that the slow fill problem is not limited to us here.
There are a couple of guys in Italy who have posted the same sort of problem there. Here's the link
http://www.jk-forum.com/showthread.php?t=28392&page=2
so for you all who have been
take some solace in the face you are not alone.
just hope mine doesn't do it.