I'm not even aware of a forum topic on AbsoluteWrite for the whole category of epublishing service companies, so there's no place for people to share their experiences. (jamigold.com)
All volumes and chapters in ePublishing with InDesign, 2015 Edition are available here for whole or à la carte purchase. (iampariah.com)
After a lot of umming and ahhing, I've decided to go with epublishing for Heads Above Water. (booksarecool.com)