Personally, I would get a blu-ray player. It is always better to purchase the more current technology. You may want to look into ones that have apps like Netflix, Vudu, etc... These will allow you to get more use out of the player besides just playing disks.
Epson Home Cinema 3010 Projector____Paradigm 9SE MK II Main LR
Yamaha RX-V667 AVR_______________Paradigm CC-270 V.3 Center
Emotiva UPA-5 Amplifier______________Dual Stereo Integrity 18" Infinite Baffle
Sony BDP-570 Blu Ray_______________DIY Sound Group Volt 10