That plane is begging to be copied using p/styrene with tape covering (a la Zagi!!!) - cost about $4 for enough foam to make 3- Balsa elevons etc and as you say a bigger/brushless motor or just go lipo, esc /motor permitting. Yum Yum. Now lets see, Raptor, Mig, Mirage etc or whayever!!
Where's my hobby box?[>:]