Another review, this one from Mr. Ebert:
http://rogerebert.suntimes.com/apps/pbcs.dll/article?AID=/20060525/REVIEWS/60509005
A decent counterpoint to the more snarky, negative review I posted earlier. The summary is fairly spot-on:
I've read that X3 was rushed to theaters to hit before
Superman Returns, and it shows in the script, direction, and FX. Overall, it's just iffy enough that you'll see the lack of unified opinion demonstrated on this thread.
Given this is the last X-Men film (for now), it's kind of a bummer. Going out on a definitive high note would have been a lot more satisfying.