I went to the 2015 Blakesburg AAA fly-in and I found some beautiful aeroplanes that flew in there.
I also found some of the most dreadful airfield management that I have ever seen in the USA. Corruption? It's the norm there. Aircraft are donated to the AAA and then used & abused by the owners until they are scrap. The hangars are full of bird shit-covered relics, which the Taylor family call a "museum". If only the donors knew!
I was charged $175 for no facilities whatsoever, as a fly-in guest.
I won't be rushing back.
p.s. I joined the MAAC and went to Grassroots in Sept 2016, and despite a smaller turnout (due wx), it was so much better and more welcoming! (different airfield).