Well, I haven't asked him, but if I were to hazard a guess, he may be waiting until after the next session, since the previous session was relatively short on story details but long on build-up for the upcoming session. Over an hour of build-up and OoC discussion about tactics and consequences and plans....doesn't always translate effectively into interesting story hour material.
And the upcoming battle is likely to be BIG. If not for the veiled threat that one of the Khel Hr'dad made, the Meepites probably woud have walked away from this fight at this time in this place. There are lives in the balance, and heroes don't walk away from bad odds. I expect them to pull out all the stops when Hell breaks loose.
Already, Valanthe has changed the initial set-up for the combat. It's anybody's guess what's going to happen, next.