I'll give my two cents on all of this power creep stuff... Let's look at numbers:
SHIP (point range) stats
Wave 4:
E-wing (27-35) 3/3/2/3
Z-95 (12-19) 2/2/2/2
Wave 5:
YT-2400 (30-36) *large* 2/2/5/5
Wave 6:
n/a
Wave 7:
K-wing (23-29) 2/1/5/4
Episode VII:
T-70 (24-31) 3/2/3/3
When looking at these numbers.... I fail to see the power creep.