I didn't expect it to be good, but the The Twilight Saga: New Moon review by Roger Ebert leaves no question as to the horribleness of this movie, and has some great lines in it.

The characters in this movie should be arrested for loitering with intent to moan. Never have teenagers been in greater need of a jump-start. Granted some of them are more than 100 years old, but still: their charisma is by Madame Tussaud.
[...]
sitting through this experience is like driving a tractor in low gear though a sullen sea of Brylcreem.