Sure but that means 1 hit, good chance of a pen for sure but then there are still 6 to deal with, provided the come within range.
But what if you had 6+ units that could do either the same thing or something very close to it. We have some options for sure, the AA in my armies basically consist of a Icarus Las-Cannon and Railguns. I fight against NightScythe spam every Friday and don't have a issue, now I haven't run into 9 Valks yet but we will see.
Give me some time and I will see what I can do.
In the meantime enjoy my new guide for 6th edition
Click Meh - Rage's Guide for the Eldar
The Eldar, more than any other army, should not only look at the output of each unit individually, but the synergy of multiple units together and their role in the force as a whole. - Fable