Blu laser disk development was from very early developed and sold as profesional data archiving systems many years before the existing blu-ray movie stamping process existed.
The mass effect of the market demand for blu-ray drive mechanisims by sony, samsung, panasonic, sanyo , sharp ,apple , dell etc is driving the cost of the blu-ray drive down to littel more than a standard DVD/CD only drive.
Agree with the last post - Sony are probably making profit on hardware already.
Approx 50million PS3 Blu-ray games disks have been sold, this is more than double the number of blu-ray movies sold !
PS3 number 1 fan