Rod, the one I have flys great. It has an OS91fs with a 13x9 APC prop and moves along pretty fast. It's a clean airplane and carries it's speed well, so you need a good idle on landing. Mine is a solid flying plane with no surprises. It will do basic aerobatics and such. The Midget Mustang is a fun airplane to bore holes in the sky and it looks good doing it!! You just have to make a little longer landing approaches to get it down to landing speed.
Here is some past threads about the Midget Mustang
http://www.rcuniverse.com/forum/sear...mitbutton=+OK+