I still think cutting out Dumbledore's funeral is insulting. It's not a huge central storyline piece, but it's an emotional scene in the book. How much do you want to bet we get another stinking HAPPY ending. Have you guys noticed that every single movie has ended on an upbeat note, even when the books have not? The first two books more or less followed the storyline, with the exceptions of meeting up with the Dursleys and the huge standing ovation given to Hagrid. BUT:
POA-In the book, Harry gleefully tells the Dursleys about his convict Godfather. In the movie, we get that cheesy shot of him more or less flying into the upper layers of the Earth's atmosphereon his Firebolt.
GOF-A student has just died, the second war has more or less begun, Harry gives his winnings from the Tournament to the twins, and Draco is...Draco. And yet in the movie, we see all the students hugging and kissing and saying goodbye like on great big Witchcraft Woodstock, almost as if a mass Obliviate was performed to temporarily make everyone forget about Cedric's death.
OOTP-Sirius is dead. Harry now knows why Voldie targeted him and knows he must either kill or be killed. Draco threatens revenge and gets transfigured into God knows what by members of the DA. And yet in the movie, we have another lovey-dovey scene of all the students happily walking off towards the Hogwarts Express and Harry waxing poetic about how unlike Voldemort they have something worth fighting for. (Hand over the insulin, I'm going into a diabetic coma)
And in losing the Funeral, we lose Harry's split with Ginny, Harry's second confrontation with Scrimgeour (hush up Emma, I know Scrim's not in the movie anyway ) and the trio's contemplation about their next moves.

Weehaw I'm a Doxy! My droppings work fantastically in Skiving Snackboxes.