Summary: I chose this one based on quality and price. I also bought an SD chip. The frame has one annoying quirk (which I've read is shared by other Sony devices as well): JPGs come in two different file types, and the frame can only display one of those. So half of the pictures are displayed, and the other half display question marks. It's annoying that I can't just play all of my pictures.
Summary: This looks awesome on my military husband's desk. It is simple to freeze on one image or turn off completely with the remote if he needs to do so quickly, and has many options for the slideshow. We both are super happy with this frame.