The TAD room was definitely one of the three busiest rooms that I've seen so far during HE2007. Inside the room, TAD's director of engineering, Andrew Jones, energetically explained the inner workings of the brand new TAD R-1 speakers with concentric beryllium dome tweeters and midranges. Make sure your Visa card has around a $26,000 limit, though, before you start moving the furniture around in your room to make space for a pair.