.... Arsenal's Emirates Stadium is quite nice. Large scale development, good conference facilities etc... Just a bit of a bastard to get to. Waterloo, Northern Line (3 stops), Piccadilly Line (7 stops) and a 5 minute walk in the sleet & rain.
Coffee was good, food was shite. Speaker at lunchtime was brilliant - Tim Smit. If you ever get the chance to hear him speak, go along, particularly if it's your third invitation.... (You will find out what I mean by this when you go!)
His irreverant tinted spectacles and ability to communicate are clear for all to see, well worth seeking out.