the blog post is by a developer who seems to know what he's talking about, and continues to update his blog - he posted that it was fine through all the subsequent snow leopard updates. they're both directions to do the same thing, just in slightly different ways. between the video and this blog post i got it to work. Well, after a lot of research to make sure i wouldn't be destroying my computer, i did it, and it seems to be working OK.
