It is pronounced 'Lester'. (I am from London :wave
Great job on all of the pics, updates and info everyone. My partner and I read the forum to each other every night. Ok... probably shouldn't have mentioned that... Teebin has gained a level of affectionate notoriety around these parts!
BTW, we visited the WB Studio tour yesterday and the Diagon sets seemed very small - preclusively so, to theme park operations. Thankfully it looks a fair bit larger in USF. Can't wait!