camera slings

I just bought the Carry Speed CS-slim system last week, which comes with the sling strap and the ball-bearing type connection to the camera. Will probably buy the CS-2 plate when I get a tripod and want to have the quick release plate attached at the same time as the strap. Went walking around with my T1i and 50mm lens attached to it earlier this week and was very happy with how it carried...haven't tried it with a heavier lens, but felt like that wouldn't be a problem. For a much heavier camera I would probably go with the thicker strap that comes with the CS-pro system though.