ORIGINAL: Blue Note
I think scale WW2 combat is more popular, but any form of combat will be a rush.
Blue Note,
I don't know about your specific area, but to see the popularity of the various combat events in sanctioned meets on a national scale, check here:
http://www.rccombat.com/nps/index.asp SSC is the most popular class, followed by Open B, with the scale classes pulling up the rear.
If you're in Knoxville, there are SSC meets in Jackson, TN; sometimes Nashville area, several in Georgia every year, and more as you get further away. There may or may not be a scale meet in Nashville next year.
Here is the calendar of official events.
http://www.rccombat.com/events/index.asp
Alex