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What she said...
I'll see if there's anything I can suggest based on the list you've made:
So moving forward, my initial approach is as follows.
1) Habituate and internalize the HAIETMOBA inquiry throughout daily life
2) gently incline mildly pleasant and alert states as I move through the day
3) Formal practice consisting of simple breath meditation to to stimulate pleasant body sensations and encourage general sensuousness and pleasant states while asking HAIETMOBA regularly
4) Investigate Gross affective reactions that rise (I'll worry about the subtle stuff and increasing resolution later)
5) Continue to read through the AF website, developing a deeper understanding of the AF conceptual knowledge and a fluency in their terminology and maps
6) Have awesome PCE's
7) Profit!!!! :-D
1. When you're doing this, try not to let the question become a mantra or just some rote repetition, really tune into how "you" are experiencing this moment of being alive every single time you as it. Look at your whole experience, don't just focus on what's happening internally as that's only half the story; look at bodily sensations, mental triggers or thought-loops that come up, the way light refracts on things in the visual field, the way sound seems to bounce off of surfaces and tune into the details.
2. It may interest you to know that the technique of attentiveness described on the AFT site is identical to mindfulness, if the latter is done correctly. Be inclusively aware of your entire experience, if you've gotten 3rd Path then this shouldn't be too much of a problem, look at the sense of a background to the 'thing' and how that's not any different to the perception of a foreground.
With regards to pleasant feelings, maximize the shit out of them; simple as that. If you're not happy right now, remind yourself that this right here is
the only moment you've got of being alive, any idea of a future is only implied by thoughts and, much as you can probably assume that you'll live for another moment at least, you don't know that for certain. This is really important to understand.
3. Do what works. If you're following the AFT model I'd just stick to following the practices described there, but if you're taking more of a hybridized approach then Nick's written a lot of good stuff over at The Hamilton Project blog. Also, Justine, one of the very few people confirmed to be "AF" by Richard, has recently started
a blog of his own which may be of interest to you.
4. Look at the beliefs which underlie those feelings, what it is that causes them to arise and the ways in which they present themselves 'in' awareness. A lot of this is about dismantling beliefs and investigating the mental patterns involved in that, but your experience with insight should stand you in good stead for this aspect of the practice.
5. It's worth reading the AFT site and getting to grips with the exact ways in which certain words are used, but the site is incredibly repetitive and poorly laid out. I recommend starting with the
library of topics and glossary of terms as I found it much easier to navigate from there.
6. "You" don't "have" a PCE, it's what occurs when "you" as an identity are out of the picture. Don't aim for the PCE, turning it into a goal is the opposite direction from where you want to be going, cultivate naivetè, sincerity and felicitous feeling so that a PCE can become evident and it'll happen.
7. Profit is always win, win is always profit.

Bear in mind that I'm not coming at this from a 100% AFT approach, this is just some stuff that's worked for me and which may be of use to you.