After release beta1 version of PCBSD7 reach final version.
A few changes :
PCBSD 7 - Changelog (9-15-08)
————————–
* Updated KDE to 4.1.1
* Updated Nvidia driver to 177.70 (beta)
* Updated included Quick-Guide to version for 7
* Added additional ATH wifi device support
* Fixed BSDStats reporting
* Improved Xorg setup of ATI cards, should enable DRI for more systems
* Updated [...]

Click here to read more from pcbsd7 download