There have been reports that NB6 feels slower with the new
pipeline: tab switching, scrolling.

One hw config where this was reported:
[I] CheckAdaptersInfo
[I] ------------------
[I] Adapter Ordinal : 0
[I] Description : NVIDIA Quadro NVS 110M
[I] GDI Name, Driver : \\.\DISPLAY1, nvd3dum.dll
[I] Vendor Id : 0x10de
[I] Version : 7.15.11.144
[I] ------------------
[I] Adapter Ordinal : 1
[I] Description : NVIDIA Quadro NVS 110M
[I] GDI Name, Driver : \\.\DISPLAY2, nvd3dum.dll
[I] Vendor Id : 0x10de
[I] Version : 7.15.11.144
[I] ------------------
[I] InitD3D: successfully created Direct3D9 object
[I] D3DGD_getDeviceCapsNative
[I] D3DPPLM::CheckDeviceCaps: device 0: Passed
[I] D3DContext::InitContext device 0
[I] D3DContext::ConfigureContext device 0
[I] D3DContext::ConfigureContext: successfully created device: 0
[I] D3DContext::InitDevice: device 0
[I] D3DContext::InitDefice: successfully initialized device 0
[V] | CAPS_DEVICE_OK
[V] | CAPS_ALPHA_RT_PLAIN
[V] | CAPS_ALPHA_RTT
[V] | CAPS_OPAQUE_RTT
[V] | CAPS_LCD_SHADER | CAPS_BIOP_SHADER
[V] | CAPS_MULTITEXTURE
[V] | CAPS_TEXNONPOW2
[V] | CAPS_TEXNONSQUARE
[I] D3DGD_getDeviceCapsNative
[I] D3DPPLM::CheckDeviceCaps: device 1: Passed
[I] D3DContext::InitContext device 1
[I] D3DContext::ConfigureContext device 1
[I] D3DContext::ConfigureContext: successfully created device: 1
[I] D3DContext::InitDevice: device 1
[I] D3DContext::InitDefice: successfully initialized device 1
[V] | CAPS_DEVICE_OK
[V] | CAPS_ALPHA_RT_PLAIN
[V] | CAPS_ALPHA_RTT
[V] | CAPS_OPAQUE_RTT
[V] | CAPS_LCD_SHADER | CAPS_BIOP_SHADER
[V] | CAPS_MULTITEXTURE
[V] | CAPS_TEXNONPOW2
[V] | CAPS_TEXNONSQUARE