I'll put my $0.02 in, The HZ Super Cub is really durable. It's very customizable, as I've added ailerons, stiffened up the wing and put in 450 with a 3s2200 lipo. I originally built it as a trainer for my son, but after I flew it, It became my favorite.
Handy building tips:
http://www.horizonrcflyers.com/forum...read.php?t=385
Here is mine, aka, $uper Cub
http://www.horizonrcflyers.com/forum...ead.php?t=1711