Well I am sorry you did not get this going,
but there are alot of people who have.
I think the majority of the problem is the order in which you installed the drivers.
Here is a good links if you wish to attempt this again in the future:
http://www.notebookforums.com/showthread.php?p=2819440
Another choice for the sound is :
http://support.us.dell.com/support/d...&fileid=211297
Also, I have seen where the Vista driver for the Audio only may work.
The Chipset and the SM bus controller are the first to be installed Then the graphic (video) UAA driver, Modem, Sound
Bill