ORIGINAL: evan-RCU
I currently have a 250, 450, 550, 700, and .50 nitro. I like the 550 size best. I'm 55.
Ditto, I am 61 and have been flying since 1985. By far, my favorite sizes are my Swift 550 and 620.
Since getting the Swift 550, my smaller ones mow spend most of their time on the shelf.