The E3 that marked the start of SEGA as 3rd party with SEGA showing off early Game Cube and Xbox titles including a 10% complete JSRF and very early code of PSO on the GameCube and Gun Valkyrie on the XBox. The SEGA stuff starts at @16:48.

EX machine was a great gaming show on SKY TV excellent and sadly no more .TV. Which was a channel dictated to PC and console products and gaming