Yes.But_the_bulbs_can_get_quite_expensive_over_the_long_run.
Keyboard_sill_broken
I know the bulbs are expensive, so I wouldn't run a projector all day. But 60 inch plasma TVs are about 6000 dollars, and a top of the line projector is about $2000. That's about ten replacement bulbs, and in the meantime, technology could make everything obsolete.