Ask HN: How to do SXSW right?

Wondering what YC companies have learned makes the most successful SXSW experience.

Crowdtilt (YC S11) had a great idea and is renting out Coyote Ugly[1], but wondering if there's any other advice I could source from the masses.

[1] https://www.crowdtilt.com/campaigns/sxsw-coyote-ugly