They're quick to arrive, light in the suitcase or backpack and usually cheaper than the paperback editions.
Australian readers can already buy the Australian ebook of Distraction from Amazon, and other retailers.
For readers in the UK and US, Acumen will be releasing an ebook version of Distraction, probably later this year.
And Martial Arts and Philosophy: Beating and Nothingness is now available as an ebook from Amazon US, Amazon UK, Barnes and Noble and other online retailers.
My next book, philosophical essays on gardens, will also have an ebook edition - when I finish it. Some gratifications cannot be instant...