The suspected inability of the HP AMD64 notebooks to run Doom 3 is due to the games outrageous requirements, specifically the video card that comes with the HP's is not listed as a "supported video card." Well, I got the D3 demo (doom3.com) the other day and it worked fine. I couldn't find anywhere that the demo should have been able to run on my HP.
The game is theeeeeeeeeee [content edited]!!!! Maybe I WILL buy it!!! Try it out. It's fun!!!
HP zv5000t AMD64 3000+
TT Tsunami | Hyper Type-R 580W | Asus M2R32-MVP | X2 5200+ w/Zalman CNPS9500 AM2 | Super Talent DDR2 800 | WD 160GB CaviarRE | Sony 18X DVD | SB Audigy 2 | Sapphire X1900GT w/TMG AT1 | Vista Enterprise