What do you mean by Intel machines?
I have an Intel GMA 950 Graphics Card that can run WoW, but not portal. Is that jacked up or what?
On the Windows side:
Intel Pentium 4 1.3 Ghz or AMD Athlon XP 1500+
Any 3D graphics card with 32+ MD of VRAM
1.7 Ghz CPU
Any DirectX 8.1 level graphics card
I dunno... built-in graphics is rubbish... nobody will refute that, but yeah... maybe Blizzard is a better porting house? I dunno... this is Valve's first Mac game ever, whereas Blizzard's been with the Mac for aaaaaages + has a good Mac team. Wouldn't surprise me if Portal was a shoddy port.
Personally I don't have built-in Intel graphics, but I think there's a lot of b/s regarding graphics. My hunch is that a lot of things COULD work, but developers don't have the time/resources/need to make slower chips work. OpenCL is an example! My card's not even supported, although a friend who is an Apple engineer assures me that it's technically possible. Sometimes companies just have to focus on the future I guess
As for the guys complaining Steam only works on PPC Macs... booooo... hissssss... get an Intel Mac! ANY PowerPC Mac you have is at least 5 years old by nature (that's if you bought it knowing that Intel Macs were the future as Apple announced the Intel Macs a while before shipping them.) Users of far more modern Intel Macs are complaining about performance... PPC is a totally different architecture, and the PPC chips are oooooold now... 'sif you'd get good performance anyway.