Default [Q] New to OmniROM

Recently I switched from stock to OmniROM latest nightly on my Note 2 LTE. I like the rom very much, but I have a few questions:

1. Does OmniROM supports Wanam Xposed module? If not, are there any other launchers I can use with this Rom?
2. Can I use Viper4Android instead of DSP manager? Any conflicts between them?