+1 Count me in. Trying to make the church fully ip based with ndi cameras and displays. SOOO flexible!!!!!
So far no one has shown any interest in programing built in NDI support, although:
On the NDI website they provide the "NDI Tools"; Of which, you should be able to use "NDI Screen Capture" to send OpenLP output over NDI and "NDI Webcam Input" for receiving video over NDI.