Has your case status on the USCIS website changed to "Sent to Department of State", and if so, what date? The NOA2 says that, but it's a lie. We had two full months (from Oct 2nd NOA2 until Dec 3rd) with our case languishing at USCIS before they finally sent it to NVC, and now it'll be about another week until in-processing and welcome letter, and then possibly another month or more before they send to Manila.
The government probably prefers to have a backlog (which they can control by how they assign personnel to different visa types) in order to stress relationships and make sure they are genuine. They don't want "fake getting engaged to an American, get K-1 visa, paper-only marriage" to be a fast path for every foreigner with a bit of cash to get a green card. That's why they require so much relationship evidence, and possibly also a reason for long slow process.