I'm using RTSS, MSI Afterburner and of course HWINFO64
I use Afterburner for the FPS and TIME, and hwinfo64 for info related to the CPU.
OSD toggling keys for are set like this:
On/off OSD Afterburner: -
On/off HWINFO64: +
When playing a D3D10 or D3D11 game, I press -...