Well, you'd get the opportunity to see me speak (cf: Better than ROT13), so I might be a little biased. =)

If you're looking for a job, then the answer is "Absolutely." I can pretty much guarantee that over 50% of the attendees will represent companies that are hiring.

If you're not looking for a job, then you'll still get the opportunity to learn from the masters of Ruby. Just be sure to put your laptop/tablet down during talks. =)