The Nintendo DS may have proved a huge worldwide hit, but Sony's PSP still managed to clock up a fairly impressive number of sales over the years.
Excellent 5-inch OLED screen; Two analogue sticks; Great graphics; Responsive touchscreen and touch-sensitive panel; Impeccable finish; Decent battery life given its performances
Position of analogue sticks (you have to bend your thumbs round to use them; Proprietary format memory cards; Quite bulky for a portable console