ATL checkpoint construction will be completed in the next few weeks, according to a local FF there. We always use the INT station for Precheck and it's been pretty good, except when people have to come back out because they weren't entitled to use it.
At any airport, we have a tendency to arrive quite early and any extra time is for the SkyClub. For overseas, we have Priority Pass that came w/our credit card.
I don't plan too much travel this summer (and I'm champin' at the bit, but not w/loads and heavy crowds).