Dual sound cards will not work for all functions.
To make matters worse he essentially has 3 sound cards,
1. the onboard Via
2. the Audigy SE
3. the Logitech USB headset
As far as "What u Hear" on the Audigy, unless you can find a driver
that works with Windows 7 with it showing in the Windows recording properties, it isn't going to happen as Creative disabled it in the drivers
, SB P17X Series Support Pack 2.7 (04/01/2010) - Aud... - Creative Labs
second post. I would almost say that from looking at that screen shot that the proper drivers for the Audigy aren't installed as there is nothing showing at all for it under Recording; no microphone, no line in, etc.