I just bought another Billingham bag to add to my collection.
Picked up a Billingham Leica Combination bag in black.
A little more structured than the Hadley's as it doesn't conform to the body.
Very stealth bag as well as there are no external markings or buckles. I do wish the liner was "softer" though, like the Hadley's (more of a nylon divider set up than soft felt dividers).
Added to this bag to my Hadley Large, Pro and Small (all black lol).