It's a combination of several. Some of my images in the Nexus gallery have lists of what I use. Let's see, we have:
http://www.fallout3nexus.com/downloads/file.php?id=3415 with http://www.fallout3nexus.com/downloads/file.php?id=5481 for the retex. The plate armor is from http://www.fallout3nexus.com/downloads/file.php?id=5981 and the http://www.fallout3nexus.com/downloads/file.php?id=224 so it all blends in nicely. Sometimes I use the targetter from http://www.fallout3nexus.com/downloads/file.php?id=4809 for the whole 'stealthy' look.
I don't know if I really need the Helmless Stealth Suit mod anymore since using the Reinforced suit. I've just kept them in there and active and overwritten by the reinforced one in case I get the 'dome head' again