I only go down there once a year for work now, so I'm sure others will have better answers than me, but if you want to spend the money, The US National Whitewater Center (usnwc.org) is a fun place to go. They have different packages there that you can purchase. Good way to kill a half day.
And I don't know any soul food places in Charlotte but if you like BBQ, then Mac's (macspeedshop.com) is pretty decent.
Heidi should be eaten by a gator along with most of the cast on this show. Don't get me wrong, I love Survivor and think this one will be the best but only because they are clueless. First episode random thoughts: