Used to play competitively before it all went to speedball
We did 24, 36 and 48 hour scenario games, local comps and full survival games. I loved it and the people were great, but then speedball became the game of choice (thanks a lot Xgames) and it was all about spray and pray gaming along with a bunch of assholes coming into it.
If I were to do it again today I would probably pick up an Autococker, they have come a long way from where they started and are much more reliable and less finicky than they used to be. Accurate like woah and aftermarket is balls deep for it. If you are going to be playing a lot then invest in a high pressure system as it retains level shooting speeds a lot better...but it is a bit to get setup.