You can read and reply to posts and download all mods without registering.
We're an independent and non-profit fan-site. Find out more about us here.
The resulting SSP install is identical to what has been available before the original full download had to be removed (SSP 1.2.3)
I don't know about the first thing. But about the sound settings. If I remember correctly settings are saved per savegame and not global.