I totally agree with you but didn't creative try to hype up something about game voice for the X-FI..
In a game like HL2:EP2 when using the voice option to chat it would make it sound like the sound came from inside the game. By this I mean if you where trapped in a cave taking enemy fire & called for help you would here the gunshots in the background & echo from the cave your footsteps in the dirt etc..
Knowing creative that stuff will never be seen in a game. Cretive driver support is probably the worst I've ever experienced so I do not expect any creative sound card feature to worth Cr@p.