Make sure you come out and try 10 man! Teams will need a lot of extra players to fill in the lines, so you don't need 10 guys to come out. You can play 5 man anytime - but there hasn't been a 10 man field (150x250) and scrimmage since 2004 around here.
GFOA Champions: Open Division 2012
2nd Place 2012 PSP World Cup 10 Man Open