If you're even a little interested in a computing pad, here are two excellent reviews by one of media's best writers, Andy Ihnatko, both from the Chicago Sun-Times.
(Note, Andy's writing is a joy to read even if you aren't interested in pad computing).
Are the Blackberry Playbook and LG G-Slate ready to take on iPad?
Hands-on review: How does Motorola Xoom compare to iPad?
More about Andy Ihnatko