With no exception, every proponent of the touch interface says that new users need to "give yourself some time with it," "you'll have to practice a bit" "it may take some getting used to."
That's all fine and dandy for some, but
I'm not interested in learning new skills... only reading books (mostly). I know how to do that and I was doing it flawlessly with the previous Kindles within seconds of opening the box. One-handed with no practice, even.
If I thought for a second, that Amazon was going to continue selling the Kindle Keyboard indefinitely, I'd have no issue; you enjoy your touch-screen and I'll enjoy my buttons (physical keyboard) and everyone will be happy.
But we all know they won't do that. By the time I'm ready to upgrade my eInk Reader, there won't be a single model on the market that I can just pick up and start reading with. At the very least, I'll have to practice how to hold these tiny things comfortably—having completely removed all the meat from their bones.
So who's selling me my next device? It has to fit my hand naturally—with the physical "Next" button falling perfectly under my thumb when held in either the left OR the right hand (just like my current Kindle does). It can have a touch screen but if it does, it has to have the ability to perform every function with physical buttons as well. And I want a physical qwerty keyboard (including a numbers row) so I can quickly and easily take notes when proof-reading ebooks I'm working on. Right now, I can start jotting down a note by pressing a letter on the keyboard... bam!... the first letter in my note is typed. Can I have the first letter of a note typed on the KT with a single touch (a single touch from the normal reading screen)?
It's just like my local grocery store. They get a new salsa in I just absolutely LOVE. Then shortly after I get into a routine of picking up that yummy salsa when I'm shopping... they'll stop carrying it. Forever. And while it's nice that the stockboy's showing me another brand that he says is just as good... IT'S NOT MY FAVORITE SALSA AND I WANT MY SALSA BACK! My last jar's just about empty and I can't find anyone who's stocking anything similar to it.