I need a good sound card that supports multi-track ASIO editing as well as 7.1 surround sound editing, as my sound editing software requires this. I need it primarily for hardware mixing versus recording, as the sounds I need to mix are already in digital format. In short, I don't need much in the line of inputs, but I do need a lot of streams and the ability to do fast hardware effects. I used to use the Audigy ZS\Pro series which worked well to this purpose, but these have been discontinued.
The PC I want to add the card to is older, but it has PCI and PCI Express slots.
Can anyone recommend a good card that might work for this?