I don't have any of the ones specifically mentioned, but I researched most of the heather/kydex hybrid IWBs before I boutght mine. I bought a Theis: http://theisholsters.com/
A gunfight is not the time to learn new skills.
If you ever have a real need for more than a couple of magazines, your problem is not a shortage of magazines. It's a shortage of people on your side of the argument. -- Art Eatman