Originally Posted by HamsterRage
Omnibuses are just away to bundle up the content and ship it out cheaper. eBooks already do that, so ebook omnibuses don't make any sense.
I must respectfully disagree - I've created (and uploaded here to MR) numerous eBook omnibuses. They are a much more convenient way to "package up" a series than having individual books. And, of course, they don't suffer from the size limitations that paper books do.