I, too, have been on that site. That is an expensive rig the way it is pictured. Those pics are what prompted my questions about putting a Tamer stock on a 12ga. A much more economical way to go! As for the Tactical Sights, at HD distances, I think a Bead is all you will really need. The way I see it, you don't need a Tac Sight to defend against an intruder in your home. We are talking distances of less that 50ft in most cases. If ya can't put a bead on target at that range, you may want to RE-THINK your HD strategy. After all, the LAST RESORT is the use of Deadly Force.
SORRY! I do tend to get a "little" opinionated at times. Hope I didn't offend anyone. Just my 2 cents worth!