Beautiful, have done this manually more than once, a bit cleaner this way :)

Quoted: This extension (hbisect) eases looking for bugs by doing a binary search in O(log(n)). It adds the bisect command.

Quoted: Alice & Bob talk DVCS.

Very handy. Mutable changesets via named patches, can be easily versioned independently (thus, cloned and pushed and pulled) without cluttering up the changelog (via qcommit/qci). With Mercurial, you can truly have your cake and eat it too.