Ballbusters, where I play, is just outside of Columbia. Definitely more woodsball focused than speedball. There's almost always a handful of players with experience out there on Saturdays and walk-ons aplenty.
There is a Ballbusters thread in this forum, check it out.
"First rule of battle, little one ... don't ever let them know where you are."
"WHOO-HOO! I'M RIGHT HERE! I'M RIGHT HERE! YOU WANT SOME O' ME?! YEAH YOU DO! COME ON! COME ON! AAAAAH! Whoo-hoo!"
"'Course, there're other schools of thought."