Yes, I am. I'm even happy with shades at the bottom, they are pretty usable for me, as I said in different topic:
https://www.mobileread.com/forums/sho...2&postcount=55 
When setting correct light level for environment you're in, light is really nicely distributed over screen and looks just awesome. In some conditions it doesn't even look like it's lighted - it just looks white (i'll repeat - in some conditions, not always
).
I'm glad I waited with buying my first e-reader. I considered buying Kindle 4 when was released, but somehow didn't do that (not sure why to be honest). When I saw Paperwhite being announced, I was already decided within first minutes and I don't regret
