Expect to see a greater separation of the hardcore cult stuff with the more palatable mainstream stuff, as we're already seen with the Study and Public editions of the WT.
They will need to increase their grip on the loyal members, so expect greater levels of fear and intimidation (see the article "Family Worship - Vital for Survival" for their model). Along with this will come an escalation of persecution against dissenters. Faders will be firmly in their sights.
However, in a bid to drive new membership, expect them to appear more mainstream to the outside; shorter Sunday meeting will be one way they'll do this, along with an ever increasing sanitation, "don't-you-love-fluffy-pandas?"-type Watchtower articles for the public.