Well, I certainly wouldnt say there is nothing special to do - lol...
I was there last year and we had a ball. The crowds are huge - but if you go with that in mind and just enjoy the atmosphere and celebrating with everyone you will have fun!!
They do warn you about getting into the parks early, especially EPCOT. We did go early, but if you did want to risk it, we totally noticed that between 4-6pm there is a tiny bit of a changeover - people with younger kids leave, allowing others to get in. If its important to you to see Spectromagic or to see the fireworks from a certain spot, stake your spot out EARLY! People start saving their spot bout 2 hours early on mainstreet - lol~~
I also have heard that some of the more $$ restaurants have some special dinners that are really $$ but people told us they were awesome.
Some people were actually really dressed up for NYE!! I got my hair "pixied" at the barbershop, and then all day people would ask me about it and lots more adults got their done that day too!!!!
HAVE FUN!!!!!! Its a blast - and if you can force yourself to get up early, on January 1 at least until noon the parks were pretty empty....
Wendy