I got a mail from Hilbert Hagedoorn of Guru3D and this is what he said:
A new release of our nVHardPage NVIDIA videocard tweak utility is out. It's by far not a small update. One of the more spectacular new functions is a performance wizard. This feature is for newbies in tweaking and basically tweaks the videocard for you by entering only a few simple parameters ! Click on Read More... to see what's new and a download link

Go here for a download link What's New:
added Windows association with nVHardPage preset files added performance wizard for easy tweaking (only WinXP/2k) added NV30 OpenGL emulation added Direct3D texture sharpen option added custom presets for Win9x/Me updated preset manager (with select application to run after loading preset) updated coolbits for 40.41 detonators (enable refreshrate override tab) updated D3D and OGL reg files fixed Direct3D settings compatibility with Detonators 40.41XP fixed driver detection fixed write function in LIST OF REG. KEYS fixed function to detection actual values in LIST OF REG. KEYS some others small fixes and changes news in adapter info program:
- added culling support
- added fill mode support
- added depth buffering support
- added colored lights