Here are three from today so far:
Early voting in battleground states: http://www.pewstates.org/research/analysis/early-voting-in-battleground-states-85899428345
Hurricane Sandy’s impact on Election Day: http://www.pewstates.org/research/analysis/hurricane-sandys-impact-on-election-day-85899428035
Millions of ballots already cast: http://www.pewstates.org/research/analysis/millions-of-ballots-already-cast-85899428036