Yah, I have yet to build my projector, but I think I'll have to get some cheep-o parts just to try reproducing this idea. If it works I should see some improvement in brightness without actually building a projector.
Don't think I'll need any fresnels or triplet for experimenting with this. Probably just an LCD, light source, and the other parts listed in the paper. Oh, and one last crucial thing...time. Of which I have none. I'm lucky I even have time to read this.

Although I do have to admit; even though I am way too busy, I am having fun.

But still it might be a while before I can start any new projects.