Try deleting the entirety of %APPDATA%\.skcraftalice\.minecraft (perhaps keep some select configs) and force downloading. If you need help with this, ask me.
Will the server be moved over to bukkit eventually again? (There is currently a MCPC beta build out btw)
We are running Bukkit at the moment. Not sure exactly why MapPads aren't working, it could be the recent update with maps, but other things are broken too so it could be an issue with ForgeBukkit also. I'll leave to sk if he wants to answer that.
Final comments: Positive: Great job, SK! The new armor is great for war maps, and that new addition of guns is pretty cool, too! Thanks for keeping the most needed Paintball recipes, I couldn't have been happy without them! The extra mobs are overwhelming yet exciting! And my favorite: THE WEAPONS!!! The new weapons really get me interested! Can't wait to test 'em! Negative: The only negative comment is that creating a new world is incredibly slow. Understandable, though; all that new content comes with a price! So, the only thing you should look into is creating a new world, unless it's a problem on my end.
I was able to create a new world with the Alice pack using SK's Launcher. It's probably a problem on your end, but who knows...