1 - Yes in steps. I am going to rotate the monitors to portrait mode and then lower it. But it does have some adjustment for height.
2 - I believe 3"-4" deep.
3 - That bar, while hollow, is not going to bend, not unless you run it over with a car.
Yeah, I lost my computer room to my kids and so I had to move into my computer into the Home Theater room which was designed to be extremely dark. The walls are painted a dark blue so to absorb the light and the windows have blinds, shades and thick curtains. Great for watching a movie, even in the middle of the day, but sucks for taking pictures.
(Incognito) Built into my Desk
3570k @ 5Ghz 24/7 / Asus Sabertooth Z77 / Saphire HD7970 / 8Gb (4x4Gb) Gskill 2133Mhz / Intel 320 160Gb OS Drive, WD 256GB Game Storage
(CPU) Swiftech HD (GPU) EK Nickel/Plexi HD7970 Block (Rad/Pump) 3 x Thermochill 120.3 triple rads and Dual MCP355's with Heatkiller dual top.