Mine is good. I removed a ton of books last night and put books on for the Hubby. He asked me to include books I think he would like. Given that the last time I saw him reading a book was in January, this is kind of a challenge.
Tavi felt sluggish but I am used to the DXG now and I think that is why the K1 feels to be slower. My scroll wheel works fine, Using it made me a bit misty eyed. (grins)