Same. The Motorola Droid 4 is my all time favorite phone, not viable as a modern daily driver, but damn do I miss being able to pop the keyboard out for longer messages, compose mostly coherent messages without looking, or just reclaim screen real estate.
I’m not sure if it counts as underground (it’s been around for ages), but if you’ve never thought about how your shoelaces contribute to the overall fit and comfort of your shoe, I’d recommend giving Ian’s shoelace site a visit.