This is the only field I have ever played on, so I really don't have much to compare it with. I can only speak of my personal experiences at this field.
First off, I want to tell everyone how helpful the staff is. Not only are they always willing to answer any questions or offer pointers, but they have even helped fix my gun when it quit working. On one occasion, the battery in my gun (for the e-trigger) went dead, so I couldn't use my gun. They gave me a rental gun free of charge, so I could continue playing. One of the refs named "Mike"has always been helpful, and made the experience better for me and my son every time we went there.
The fields are all great to play on. I like the "city", with it's two story building and multiple bunkers. Two weeks ago I played on the speedball course for the first time, and had a blast. I spent most of the day there. The woods course is pretty good too, but could use a few more bunkers to hide behind.
The office isn't very big, but I have never had trouble getting in and out, and they are pretty quick when it's time to get co2 refills. The porta johns are reasonably clean.
All in all, this is a fun place to spend the day for adults, teenagers, or even younger children. You don't need to be afraid to take your family here for the day. I have played there with younger children on the opposing team, and everyone tried their best to help them and make sure that it was a positive experience for them as well.
I have never even considered playing on another field because my experience here has always been great. What more can I say?