How does the Browe BCO compare to the ACOG?! I know the ACOG's can take a TON of abuse, do the Browe BCO's share the same durability/ruggedness?!

Browe was started by an Ex-Trijicon engineer, so I doubt they're any less durable. My beef comes from the design philosophy and features. Why does it need to be made of titanium? Why does it need a firmware update port? It looks to me like alot of over-engineering looking for a need. If it was simply a AA-powered ACOG clone made from aluminium they could have come in and taken a huuge chunk of the market away from Trijicon. But instead their units cost as much or more than a real ACOG and offer none of the contract heritage that Trijicon possess. And then there's the fact that somehow they though that glow in the dark paint was suitable for reticle illumination on the sport optic.

They already offer an aluminum housing version. The Ti was to reduce weight.
http://www.browe-inc.com/products/BTO%252d001-4x32-BROWE-TACTICAL-OPTIC-%252d-5.56mm-NATO-Chevron-Reticle.html

The firmware update port is because the lit reticle in the BROWE isn't just user controlled. It has a detector that assesses the light conditions at the target and adjust illumination to match.
BROWE comes with a QD mount of your choice (at a discounted cost).
I got nothing for the BSO reticle lighting situation.

That's my point. Why does an automatic brightness sensor need updating? Are Browe anticipating a shift in the ambient chroma in the near future? What circumstances would require the programming be changed aside from to turn off the auto function, which IIRC is handled by a button on the outside, correct? And the aluminum version still costs as much as a normal ACOG, but you don't get the Trijicon heritage/mil contract heritage.

Its electronics are run by a microprocessor so things can go wrong.  The port allows them to fix most chip issues without disassembling the optic.

It has an auto off feature (after a period with no motion, it shuts off). It also has multiple levels of Selectable illumination. I assume the port allows for customization of illumination levels (NV usage for instance). Also, I believe the scope's power source can be used to power other devices, and the chip helps regulate that.