Early in the week, I felt a quick shudder/misfire on the highway. Just super quick, almost like the slight decel you feel when hitting a decent, shallow puddle during a good rain. Wasn't doing anything crazy, just maintaining ~65mph. I kept monitoring throughout the week and it only happened one more time.
So this weekend, I did the EZPZ stuff to address any potential issue -- I changed plugs for a fresh set of NGK BKR7EIX, cleaned the MAF and cleaned the air filter. If I feel the misfire again, I'll turn my attention to coils.