* I am using a Raspberry Pi Zero W + Arduino Pro Mini, with a GPS, Sensors, Camera and Radio for a High Altitude Balloon (HAB) project (https://bitbucket.org/ccapo/habpi/src/master), launch pending. A friend is also launching a similar project (https://bitbucket.org/peterkingsbury/neopi/src/master/)
* I am using a Raspberry Pi 3 for RetroPie
* I have a Raspberry Pi 3+ for development purposes, mainly the HAB project since developing on a Raspberry Pi Zero is quite slow