Originally Posted by Micah
I do not imagine us ever supporting proprietary formats as we are strong believers in open standards. We are totally committed to EPUB as the right format for eReading, and PDF support for legacy content and ad-hoc documents. Thankfully those other formats (RIP) can easily be converted to epub.
I, too, support your position with regard to proprietary
formats but maybe you could consider adding support for (a subset of) the Comic Book Archive file format
. It's a de-facto standard and "open" in the sense of basically being a simple archive.