I've only just started using Scrivener in the last couple of months. I like the idea of having all the research notes, drafts, etc. in one place and having something equivalent to sticky-notes or menu cards for shuffling ideas around. Also - importing Word (or RTF) files, ditching all the horrible formatting issues and being able to just focus on the writing, what a relief!
Jamie Rubin on using Scrivener and the editorial process
David M. Kelly
Protect writers from online bullying (in Amazon reviews)
And the post that brought me here in the first place - searching for why Scrivener is so slow to load: