Hi, I hope you are not bored from the different help requests

. I would appreciate all kind of help with my choice:
So I decided to buy a new reader, after a check in the local stores and internet the options are 2(3?)
Kindle Paperwhite-the best model for the last year, well known, proved and tested
The new KOBO Aura HD - released 8 months after PW, has the best screen and glowlight on the market now. 6.8 " against Kindle's 6" Also it's slightly heavier and thicker. The Kobo designers made it in really strange shape. The price is $40 more than PW
In addition, the new models ereaders are usually released in the autumn. Should I wait 3 months for a newer and probably better device? I'll call this "the future option". Which would you choose? Which is better in your opinion?
Many thanks in advance