Is beard Farz or Sunnah? ^o)

I know the answer, but I still need to know what you guys think, since people have maaaany diffrent views.

I found some interesting hadith:

Rasulullah (Sallallahu Alayhi Wasallam) said: "Anyone who shaves has no claim to the mercy of Allah"
- Reported by Ibn Abbas (R.A.) in Tibrabi