Choices of airplanes will vary from pilot to pilot.
I learned to fly in Cessna 140's and Fleet Canucks in 1953.
Personally I prefer the Fleet Canuck over the Cessnas. Especially for training with despite the lack of brakes on the right side which is a non issue once you get used to instructing on them.
I also prefer the Cessna Aerobat with the long gear over the Cessna 140.
Here is a picture of the one I converted.
http://i43.photobucket.com/albums/e3...h/P1010783.jpg
http://i43.photobucket.com/albums/e3...h/P1010788.jpg