Sorry to break your heart guys. As I said earlier, I was pretty sure it's not ICS. Seems I'm right. I sent personally a message to
Matt, the man who sent out this invitation for SOAK Test. I asked him this

Originally Posted by saiftheboss7
I got your email of new SOAK Test for AT&T Atrix 4G. I gladly accepted the proposal. I really want to know is it ICS/GB?
His answer is this:
Originally Posted by Matt
We've stated publicly that the Atrix is not going to be upgraded to ICS. You can see more here.

The only hope is our Olympus ICS/JB Kernel Port I really hope the great devs will complete their work sooner than ever.