What's happening with the PPLNS stats page? The 1+PH/s user has disappeared, but so have their stats. They still found the most blocks, even if they're no longer contributing to the pool.
The 1 PH/s user is either having major issues, or has left the pool (haven't been able to identify their speed on a pool that gives public user stats).
The PPLNS detail view shows the exact shares submitted by each user for any individual shift. The rankings page only shows users active in the previous shift. The 1 PH/s+ user has had one unit coming on and off, just a few hundred GH/s, so they keep re-appearing on the Rankings page (shares+blocks found), but on the shift details they would be very low.
So it looks like they'e back according to the all time shares and blocks found columns, but they're not showing in the fastest users column. So this puts them at somewhere around 5% of their 1+PH/s, right?