Looking for a replacement for the Creative X-Fi Extreme Audio for my HTPC I found the ASUS Xonar D1 2.0. My card has ultimately always shown the Creative typical deficits. Due to the low height of my case I needed a low-profile card. Important was also the optical output. Since no longer remained so many alternatives left. With this card I've made the right choice. Quickly installed, software not so overloaded, crystal-clear sound and, unlike the first D1 including DTS Supports. Dolby Digital Live comes with it. (Priced at Creative an extra license fee) All around a really good card with excellent price-performance ratio. Amazon has as usual delivered super fast.