I am not terribly concerned with the supposed status of publishing houses, and while I wouldn't be opposed to it, my web-published oeuvre is also non-eligible for general publication, since it's already out in the wild. It's also true that, while I have not explicitly declared it, I have stated on a few occasions that I general consider my work to be copyleft-published under a CC-BY-SA license.

However, as the owner of a) a number of e-books read on my phone and b) an iPad, I've also become an increasing fan of electronic publishing (as much as I like killing trees). It's also come to my attention that both iBooks and Kindle would allow me to put stuff out there in their own formats, for consumption by the general public. iBooks requires me to have ISBN numbers, which is a small outlay; Kindle does not.

I've been meaning to dust off my old work for some time. As long as I'm headed down that route, should I give it to Amazon, too? Should I put a price on it? Does anyone else have experience in this field?