another interesting thing has poped up.
seams that in order to show that the 150w 10K AB DE HQI are as bright as they clame, he put one in a pfo fixture and also put a 250w 10K Ushio Mogul in the same fixture and took a pic side by side.
250w 10K Ushio Mogul on the left- 150w 10K AB DE HQI on the right
Steve