I've got both the Series 9 (regular, not Pro+) and the Panasonic Arc5 and your comparison isn't really fair. The Philips 9000 series you tried is actually pretty solid, but it's a rotary which works completely different than foil shavers. Comparing it to a Braun is like comparing apples to...
I've been using both the Panasonic Arc5 (ES-LV67) and Braun Series 9 (9370cc) for about 6 months now, alternating between them to see which one I prefer long-term. Figured I'd share my real-world experience since I see this comparison asked about constantly.
Background: I have thick, coarse...