I also love Phantom but my all time favourite is Sound of Music. Going to London next month and already have tickets for Wicked and Grease and might add Wizard of Oz or Hairspray if I can get discount tickets.
Kitty
Apparently the chandalier scene is so realistic they have warnings posted about it outside letting people know that it's all just special effects.
"YOU talkin' to me?"
"YOU talkin' to me?"

But I don't think I could ever choose my favorite musical... There are way too many!