tl;dr
So it's, like, a Spice Girls convention, right?
My second Spiceworld has wrapped up. I've safely returned home to Edmonton, trading the smothering humidity and overwhelming heat for a far more civilized 15cm of snow. This year's Spiceworld has some differences from the last; the biggest change being that it has moved into the Austin convention center. In many other ways …
...one can get for free, for sure; I'm using it since v3 and boy, it came a long way since (though due to its limited user roles HelpDesk is still practically useless for any serious environment sans its latest iteration in v7 which I haven't had a chance to play with *fingers crossed*...)
That being said unless they start moving these festivities around the US it's unlikely I will attempt one - sorry, some of us are busy, have families etc, taking a multi-day trip to the Deep South for fun is the same as flying to the Alaska or Moon (not to forget you are still charging for the tickets despite being a sponsor-paid show, ahem.)
Bring it to me, it's not a small neighborhood (NYC) or at least within the usual D.C.-Boston boundaries and a one-day getaway could work just fine for many of us...