wait till Christmas and then get a blue ray that does digital video playing too there are several on the market my best guess is they will be in the 200 to 250 range this Christmas
on many Receiver you have to run the audio separately from the HDMI for the equipment to the Receiver the HDMI only switches the video so use an optical or a digital audio out put from the PS3 an X box and the cable box to the Receiver and switch the video only to the projector that should...
they are both basically the same Don't you get standard cable it is usually cheaper in the long run and you do not have to purchase the equipment which becomes outdated in 3 to 5 years
just so you know you won't get HD content on an s video cable you need at least Component cables the red blue green cables sounds like you need a new box for you direct TV