Still buy paper. Cookbooks still aren't a big ereader thing yet and my tastes in books still hasn't caught up with the ebook publishers, but..
Nope. Ain't gonna happen..

Too convenient. A whole library in my Kindle or Nook. Read whatever my tastes are for the day. Forgot my reading glasses.. Ok, larger font. Need a new book? Turn on 3G or find an open WiFi and nearly instantly you're ready to read from anywhere. Nope. Ain't gonna happen..