You can always check the status online with many of the boards. I use Deb's site at www.allearsnet.com and have found them to be useful. Maybe other people have better resources.
POTC has been rumored to be going on a long rehab for the last year or so. To date, it's still speculation on if and/or when this will happen. We do list the ride/attraction rehabs right here on the DIS too.