Roadmap: All-at-Once Replacement (Recovery, FPOS)

There is… maybe you found it by yourself already.
I only need to know, whether it is worth to start this journey. Because putting effort in it with disappointing results is no option to me. Further I thought I could be helpful to create a thread summarizing all of the progress since I got my FP2 almost 6 weeks ago, while a lot of people just received it.