Amazon’s shiny new Kindle Paperwhite will start trickling out of the company’s myriad warehouses in short order, but it seems e-reading rival Barnes & Noble won’t let Amazon set foot in the illuminated e-reader market unanswered.To that end, B&N has announced that it hascut the price of its conceptually similar Nook SimpleTouch with GlowLight from $139 to $119 — the same price as Amazon’s ad-supported Paperwhite model.