MK-I could live without Timekeeper (I know some think this is a classic, but I just don't like it.) I'd bring back the ORIGINAL Tiki Room. I'd update Toontown Fair to be more like DL's Toontown. I'd keep COP. I don't have any opinion on Stitch's Great Escape or AE, as I haven't been on either (either we skipped AE on our first visit to WDW in 2000 or it wasn't operating, and Stitch wasn't done on our visit in 2004). I could also live without the speedway, although for some reason the kids love it. It definately needs something though (isn't there talk of updating it with the Cars movie theme?)
EPCOT-Nothing really stands out there for me that I'd get ride of, except maybe Universe of Energy. I thought it was TOO long and dull. But maybe I didn't give it enough credit as I wasn't feeling too well at the time. ( we just got done with M:S and I was a bit queasy). I would love to see some expansion or updates in the World Showcase...Japan, Canada, UK, Italy...they need something...
MGM-Beauty and the Beast...not sure what,but something different anyway. I would get rid of Indiana Jones, and definately update Star Tours. I would have loved to see more of the Muppets too.
AK-Get rid of Dinorama. I hated it. The rides were ok, but the whole area seemed too cheesy. the carnival atmosphere should go. I would make Kali RR longer. I know EE will do wonders to make the park more exciting. I would get rid of Pocahontas show.
TL-I loved every bit of this. I wouldn't change it, and that was before the new addition.
BB-I didn't get to see as much of this park as I would have liked, because we got rained out most of the day. The ski lift was not operating due to lightening. All we got to do was the little kids area, one ride on the family raft and my hubby was lucky enough to get to do SP once, and barely at that, due to the weather. He was about 3rd or 4th in line when it shut down, then got up there a 2nd time and was just about to go and it was shut down again, and finally on his 3rd attempt he was able to do it. And after all that he wasn't that thrilled by his atomic wedgie.