While I have a gut feeling he'll be sworn in, after a filibuster. He's a bad choice if you like living in a democracy. Right now he seems to be telling the committee exactly what they want to hear, although not everyone is buying it, namely the Dems who've been very agressive in their questioning.
People for the American has some very good reasons why Alito should not be comfirmed. Here's a link to their Alito pages, and a few other sites that are worth checking into:
Supreme Court Watch has a pdf that is very interesting, and that publishes Alito's rulings. Give you a good idea of what Alito is really like, and why he shouldn't be confirmed: Alliance for Justice.
As always, Media Matters keeps a close eye on the spin.