(Humvee photojournalist vest)
(LOTS of nice vests to choose from)
(the lightweight discreet carry vest)
(Omni Dry Venture II vest,)
(Lightweight vest or tactical vest or field vest)
I wear vests to conceal a CCW all the time. I don't particularly like the 5.11 vests because I don't like the way the external pouches are arranged. That being said, I did pick one up on sale and that's the one I usually wear to IDPA matches . . .
Another cheap concealment option is a BDU blouse in a solid color like grey or blue.