Realtek High Definition Audio Driver 6 is one of the best for Windows Vista Desktop and mobile PC. As it meets performance requirements for Microsoft WLP 3.08 Vista premium and mobile PCs, it is heavily used and popular amongst Vista and Mobile PC users.
USB card reader driver for Win XP/Vista/Win7 Driver (32/64 bits) Driver only (ZIP file)
With amazing user friendly options and various properties that suit your listening style, realtek is one of the best audio drivers you are looking for. Intel itself has this software copied into the cd of motherboard drivers. If you are not a sound freak and just need a normal sound system, then go for it.