There is a growing number of eReaders available which will read EPUB files, epubBooks has a large list of eBook readers, with any device in that list able to read the publications presented on

A couple of popular devices that are very suitable for reading technical documentation is the Apple iPad, due to it’s large 9.7-inch screen, and the online ibisReader, which is both free to use and available on any modern web browser.

Over the next year or two you can fully expect there to be more mobile devices along with many more desktop reading applications.