I've been flying since May of this year. I went from a 40 size trainer plane to a Sig Kadet Sr. Flew it for a couple months and now am flying a VMAR stick. I am doing very well with the stick and have flown it about 15 - 20 times now successfully. I'm not real impressed with the quality of this plane and want to get a new one with a 4 stroke engine. I'm deciding between the Goldberg Tiger 60 or the Sig 4 Star 60. Anyone who's flown both of these have any suggestions and motor recommendations?