PlayStation Portable

There are 5 variants:


 * 100x (Fat)


 * 200x (Slim)


 * 300x (Slim & Lite)


 * N100x (Go)


 * E100x (Street)

The modular design results in shared components:


 * Analog stick: 3k, Street


 * Battery: 2k, 3k
 * Charging port: 2k, 3k

The market is tiny and there is a fully retrocompatible upgrade, PS Vita.

Joystick drift
The most common issue. A new module costs 1~3€ on AliExpress.

Homebrew software
You can disable/neutralize functions (that are not working properly or you don't use): analogue stick via CFE + JoySens, optical drive via NoUMD.