[mmaimcal] ACA sims

[Bryan Butler]

mark,

i haven't had time to go over the full writeup yet, but i'm curious
how you reconcile the following two statements from your 'results':

>...
> in the case of the DEBRIS model, the
> improvement is substantial (more like a factor of 2
>...

and

> However, it is very difficult to justify either the ACA
> above the homogeneous array alone, or the ACA above the SMA.

seems like a factor of 2 improvement is pretty good justification
for ACA above the homogeneous array (to me, at least).

	-bryan