ET-LAB30 compatible lamp module $90/pc.
Fit for the following projectors:

PANASONIC PT-LB30
PANASONIC PT-LB30NT  
PANASONIC PT-LB55 
PANASONIC PT-LB55NTE  
PANASONIC PT-LB60
PANASONIC PT-LB60NT  
PANASONIC PT-LB60NTE