I'm having the same exact error, DVD just boots and displays a kernel panic instantly. I never got to the installer.

Here is a picture of the kernel panic:



However, I have a bit outdated 10.5.2 DVD that works fine but wanted to try that one

- AMD Athlon 64 X2 3800+
- Seagate SATA ST3360832AS 360 Gb
- 2GB DDRAM
- Geforce 9600GT
- AC97 soundcard
- nForce 4 motherboard from MSI