swap home cinema (projector & pull up screen) for imac -

As new toshiba xp1 projector; used for only 23hrs and pull up 80" screen for the cinema effect!  * DLP Display Technology  * 2200 ANSI Lumens  * 1024 x 768 Native Resolution  * 2000:1 Contrast Ratio The projector can be connected to a laptop, dvd, skybox, game box etc. The pic shows the screen both down and up and compares it to a 32" tv in the picture. I will demo the system before swap and expect to test the imac! The imac must also be mint and in full working condition.  ROB 07737614584