Crowning Music of Awesome: The whole original soundtrack is awesome and fitting for the scenes it has, and as a plus, there's the song from Mickey Magic on Fantasia.
Even though it's pretty much expected, you still have to give them credit for including a possessed "cleaning" scene, as a shout out to the original Fantasia.
Nicolas Cage, who never met a role he couldn't ham up, giving a surprisingly subdued, straight performance. Alfred Molina is the real Large Ham here. Just the fact that someone managed to out-ham NICOLAS CAGE is too awesome to comprehend.
The living broomsticks scene. One of the most legendary animated sequences in history brought to live-action, and it looks great.
Which object is used to save the world at the end of the movie? A mop!
Balthazar might drive like crazy, but damn he knows how to get out of a mirror world spell.
Balthazar's car itself is a rather impressive looking vehicle (when it's not in the form of a Pinto).
Dave vs Morgana. If not for the fight itself, then for the awesome special effects.
Plus the fact that it was the lowly normal girl Becky who broke her raising of the undead spell.