3D hobby shop has a 72" Extra that they pair with a DLE 30cc, also the 74" Edge, and the ~71" AJ Slicks
http://www.3dhobbyshop.com/72-Extra-...w_p_15149.html
http://www.3dhobbyshop.com/74-Edge-5...d_p_16042.html
Pilot RC Extra
http://www.chiefaircraft.com/radio-c...prc-ext26.html
http://www.chiefaircraft.com/radio-c...ext300-24.html
For me, I know my electric setup is more than enough for the Extreme Flight 78" and I lean toward that one for the size. A few extra inches makes a big difference. 30CC might be marginal for 3D but should be just fine for aerobatics.