My company just refreshed my laptop with a new HP ProBook 4535s. So out with the XP image and in with BT5R1 :)
I can confirm that all hardware works and I was delighted to discover an Atheros AR9285 wifi card was installed.
GPU is an ATI Radeon 6480G Mobility and drivers can be installed as follows:
1. Download linux drivers from AMD website.
2. Make install file executable:
chmod a+x ati-driver-installer-11-9-x86_64.run
3. Run driver installation accepting default options:
./a+x ati-driver-installer-11-9-x86_64.run
4. Reboot
5. Run the following commands:
aticonfig --initial
aticonfig --px-dgpu.
6. Startx