I'm sure the excitement of riding some new unknown equipment for the first time lingers in a railfan's heart for a long time. I knew nothing about this EMU at the time I first stepped onto it at Heathrow Airport in the summer 2009, except that the conductor told me we could ONLY do 100 mph. It was a smooth ride to London Paddington, with the gentle whine of electrical wizardry at the helm and blurry scenery rushing by. 100 mph seemed like a hell of a deal for trains where I come from, but here the word "only" went ahead of it. The avid trainspotters of course know it by now, I'm talking about, the Class 332 used in the Heathrow Express service. Class 332 in Heathrow Express Service at London Paddington Then there's the Class 333, roaming the gentle landscape of West Yorkshire, far away from London. They are mechanically very similar if not identical to the Class 332 but have an entirely different interior layout. The Class 333 are used in regional comm