well persnally I am a big fan of foamies for 3D. Sure they cost a bit to get one... but you can uy multple frames for a back up cheap I found a foamie taught me right quicker than anything else.

just my 2 cents.

edit: Something that flies very well is an e-flight sobre. Do it with a park 300 and a 480 pack. My latest fav foamie