I've finished posting the Epic Skill Usages. (Any missing skills have no Epic Usage.)
Next: Epic Feats. This is probably going to be a long section, so I'm probably not going to do it all in one go. Instead, I'll start on the Epic Feats, but also occasionally do other things: other sections of the Epic rules, start on another conversion (possibly Divine, or Variants), and post new material. (Some of which will be conversions of stuff I created for the previous edition, but some will also be entirely new.)