As I understand the history, the Brodak version is an accurate representation of George Aldrich's original design before it was cost reduced by Top Flite to fit their boxes and price point. I have seen and flown both designs, and would definitely go for the Brodak. There are, however, much better stunt 1/2A's available. Starting with Brodak, since we are already there, is the baby Pathfinder. It needs to be built very light, and .061 power is desirable. From RSM are the Pinto and Hunter Stunter full fuselage, flapped models. Also (he mentions modestly) my Sky Sport model which is a bit smaller, but includes the tank, bellcrank, wheels and all other hardware except the engine. Minnesotamodeler has a variety of kits, including, I think, the 1/2A Snapper, a personal favorite of mine (built 3, and a couple of my own variants) All of the above will do a competitive pattern in the above 400 point range. (Unless you are Bart Klapinski, in which case, make that 500)