This add-on board for the BeagleBone or BeagleBone Black allows easy prototyping using through-hole components. More than 300 sold on Tindie!
Noritake recently offered samples of these impressively bright 16 x 122 pixel graphical vacuum fluorescent displays. Their GU7000 Arduino library is easy to set up and use: it took just a couple of minutes to get out this message. I like!