Interesting. Like many others, I must have page turn buttons. Those are an absolute deal breaker. Hopefully down the line they'll add the wireless charging, but again, not important to me as long as I have page buttons.
And the non symmetrical shape has been around since the very first kindle. The K1 has a wedge shape, and buttons of course. I read on it yesterday just to see if it still works.
I don't find the new Oasis too heavy, although I preferred the smaller oasis as far as weight goes, but it didn't last long without the cover. I don't read my new Oasis with any cover, that would defeat the whole purpose of the ergonomically wedge. Its so much more comfortable to hold and change pages. Flat things like paperwhites slip out of my hand as I have to move my thumb over so constantly have to change my wrist position. I sometimes even have this issue with the Voyage because the buttons are in a very small area for me so its hard to grip without cramps for too long. Great screen on it though.
I might get my husband a new paperwhite for xmas. He is still using the very first one that came out I bought and hated because of lack of buttons. And screen isn't too great. He doesn't care though. But I think its not holding a charge as it used to.