Well instead why not download a HD trailer from somewhere like
HERE and stick a few on a blank dvd and run them on a computer at work to show them off. DOnt forget you'd also need to install something like quicktime as well on it too..or just go for the windows Media player stuff from there..
Also just a side note what I've tended to do is take a few mates from work home, stick them on the sofa while I stick the PS 3 and projector on first with a DVD with upscaling turned off to show them what they've got at home, then with it turned on then finally I stick on a blu-ray and they're jaws just hit the floor. 4 shown so far.. and 4 guys now owning PS3's and buying blu-ray regularly..
I'm doing my bit...
