RE: mustang
Word of caution on the Guillows kits. The wood is not that strong for RC. By the time you beef it up and if you don't, a .25 engine will tear it apart for RC. Maybe look at electric for now. Small planes fly alot different than the larger scales.
Also, unless you have war bird experience flying, especially the Gold series which are fantastic planes, they require some some advanced skills for flying.
Don't rush your hrs in the air, gain experience and enjoy the plane.
I dont want to sound negative, just want to help with some good advice.
Rob