VLT-PX1LP compatible lamp module $90/pc.
Fit for the following projectors:
MITSUBISHI LVP-X80  
MITSUBISHI S50UX  
MITSUBISHI SA51  
MITSUBISHI X50U  
MITSUBISHI X70  
MITSUBISHI X70B  
MITSUBISHI X70BU  
MITSUBISHI X70UX  
MITSUBISHI X80U