303 Paintball, Centennial, CO. Totally different classes of field. One's indoors with soft obstacles, one's outdoors with all kinds of weird stuff...
Far more than just a paintball field, Dragon Man is Airsoft Friendly and there's a Real Steel shooting range and gunshop onsite. Veteran's Day weekend sees plenty of real-steel automatic weapons firing, ranging from Mini-UZI's to Browning .50cal. Machine guns that you can rent on the RS range for a high-powered kick. =)
There are 6 fields with very diverse terrain fields. It's a great place to play with friends, or groups that have a fair amount of sportsmanship and organization, since there aren't Refs to tell you what to do and when to do it.. You can get LOTS and LOTS of action in if your group is organized. Not much shade. Bring $10 entry, high SPF sunscreen, lunch, and plenty of water, and a sense of good sportsmanship.
If you paintball players see the Airsoft guys out...come say Hi...we're usually happy to show off our toys. =)
Bout a month ago me and a bunch of friends were out, and noticed some airsoft players at the picnic tables. We went and chatted, and turned out the dude had one of the most bad ass sniper rifles ive seen in airsoft. Was pretty cool, kinda leary on the fields after that tho :P