It'll be great when we have Mirasol and Liquavista and others producing faster, better, and possibly color e-paper displays, and Pixel Qi for advanced transflective LCD applications. If e-ink somehow manages to produce something of quality, that'll be cool too.
The MSNBC article is of limited value, but it's a useful commentary about current generation e-paper. At least they didn't mention an Apple tablet by name.