Many of the most useful threads are still referencing products such as the Kindle DX which is no longer available.
You may be interested in a refurbished Kindle DX. This one is $139
. I bought a refurbished Kindle Keyboard to keep in my car from this seller a few weks ago, and the item arrived quickly and welll packaged in great condition.
They sell quite a few, but, as you said, they don't always show page numbers.