It's plenty to ammend
* no high-shaders usage (probably) support in BFBC2,
* no profiles in Control Panel (it was ages ago) regarding to multimonitor support,
* no shortcuts regarding to those profiles (quick enable/disable second monitor via key shortcut),
* missing some icons sometimes once enabling/disabling 2nd screen/monitor,
* 2nd monitor settings (position regarding to 1st, scalling) sometimes change to default (again, by enabling/disabling 2nd screen),
* no 2nd monitor brightness/contrast/colurs setup once 2nd is connected via HDMI,
and so on
and so on
* no high-shaders usage (probably) support in BFBC2,
* no profiles in Control Panel (it was ages ago) regarding to multimonitor support,
* no shortcuts regarding to those profiles (quick enable/disable second monitor via key shortcut),
* missing some icons sometimes once enabling/disabling 2nd screen/monitor,
* 2nd monitor settings (position regarding to 1st, scalling) sometimes change to default (again, by enabling/disabling 2nd screen),
* no 2nd monitor brightness/contrast/colurs setup once 2nd is connected via HDMI,
and so on
and so on