Here are the release notes of interest for the Dell XPS notebook
- Added preliminary support for X.Org server 1.5
- Improved hotkey switching and power management support on some GeForce 8 notebooks
- Resolved a problem resulting in X startup to fail on some GeForce 8 and 9 systems without swap space
- Restored compatibility with recent Linux 2.6 kernels
The driver can be installed without using the repo by downloading NVIDIA-Linux-x86-173.14.05.pkg1.run and running it from a terminal after switching to runlevel 3.
If you encounter driver related bugs, please email them to firstname.lastname@example.org so that nVidia can continue to improve the Linux driver.
The official nVidia driver release page can be found here.