For me I picked a new Lance over the EC, mainly because of the huge price difference. Were more than happy with the new 1050S.
I did special order it with the drivers side awning (also have the rear) we used the side awning all the time in the rain with our old non-slide Lance. It was on the pass side (or dinette side) so made a little more sense. However it didn't cost to much to have it installed by Lance, I'm glad I have it as the rear one is basically useless in the pouring rain IMO, other than to keep things dryer going in & out or the camper.
For 015 I believe EC has quit using fiberglass caps, & now are just like all the rest, I did like the new Lance aerodynamic nose over the more "blunter" EC, again just a personal thing. Good Luck with which ever you choose!