You know, bragi, there's a cousin to Buddhism you might enjoy, called Shambhala. I work in that often, and I get a lot of comfort out of it.
There's still a meditation part to it, and a little bit of the "let go of suffering" aspect to it, but it's much more focused on inner courage, stepping away from our cocoons of habitual patterns (thinking and acting) and learning to lead fearlessly with your heart.........all things I couldn't even dream of doing when I first started my recovery. It's dovetailed nicely with all of the other ACOA work I do. I'm definitely more aware and more courageous than I used to be.
Here's a better description than my lame one:
About Shambhala - Vision, Lineage, Meditation, Community
I like your description of hanging on to things because of the unknowns that might come afterwards. That fits me too.