How does Licence work for OSX?

[Viro]

DX 10 requires Vista. I think it's quite silly how people have complained that Vista doesn't add anything new and they complain when Vista does add something new (i.e. DX 10) and it won't get back ported to Windows XP.

Anyway, perhaps you could check your headphone manufacturer's websites to see if they have drivers for your headphones. I think it's quite pointless to complain about drivers. Pretty much like complaining that my nVidia Geforce fx5200 doesn't work out of the box with Windows XP but it will on Vista, hence I need to upgrade. If the your hardware manufacturer doesn't release drivers, perhaps you should be complaining to them instead. I know I do when my hardware doesn't work and there aren't proper drivers for them (bloody bluetooth phones...).

[ViViDboarder]

It's not drivers for the headphones. It's drivers for the bluetooth. Which is Apple's. They run on a bluetooth protocol that is supported by the BT2.0 but Apple for some reason hasn't opened support for it until this next release of Leopard. Oh well.