i too heared some thing about POTC being closed so they could refurbish. as for the submarines its been closed a while, i went to DL back in 98(?) with my family, neighbors and other family friends, and the dl employees told us that the subs were closed because it costs too much to run them. Then when we went last year the subs were gone but the water was still there.
im not sure waht exactly is going on with the ride but supposedly years ago it was supposed to become The Little Mermade and now im hearing stuff about Finding Nemo. Not too sure, but i liked the way it was originally.