Unless you have a scaler or Projector that accepts SDI (rare) then DVI is the way to go (or HDMI)
If this is for a rear projection (analog device unless it is LCOS, DLP, LCD) then DVI or SDI is not the way to go.
If this is for a rear projection (analog device unless it is LCOS, DLP, LCD) then DVI or SDI is not the way to go.