Can anyone comment on a comparison of Pioneer cs-903a speakers to cs-901a, cs-63dx, hpm1100, all being 15" or to hpm100 or 900 which are 12"? I realize the LED lights and the silver plastics surrounding the tweeters support gimmick or cheap, but specs claim the 903a goes 5 hz lower than hpm1100. The above speakers are all I've intently listened to and all have had, at least, an amp of 100 wpc or more pushing them so reasonable power. Comments relating to sound quality greatly appreciated.