Hi Richard, welcome fellow X owner! I've had mine since June and loving it. I'm sure you'll have fun!
Mine was just a 300, got it upgraded at Extreme to 370 now.
Get some pics up mate when you pick it up.
Long Eatons not far from me, I'm in Burton.
I was told of a place in Ripley, MG Motorsport, I've gave them a ring about my next upgrade, poss suspension, clutch and 100ish more horses, seemed helpfull, said to take a ride over and have a chat on what they can do. He's says he's got a X in at the mo with 610 brake!