I'm don't have a lot of experience on separating keikis, but it sounds like you have it under control. Your keiki could be a bit bigger, and it certainly needs to have a more established root system before you take it from the mother plant.
I know that there are threads giving instructions on keiki care.
This post should boost you back up on the discussion board. Perhaps one of the moderators can give you the proper links that you need.
Oooh, Do-o-rothy! (calling plaintively)