The original Xbox is able to as long as you have the DVD playback kit. You can buy one for about $5.00 (U.S) on eBay. The Xbox 360 is able to just with the system itself.
yes it can
yes
No you cannot play DVDs on the Xbox Kinect although you can play them on the Xbox itself.
no
Not sure about the original xbox.But the Xbox 360 can
yes the xbox itself will play regular dvds
yes they do yes they do
YES!
no.
No, you cannot play blu-ray dvds on any version of the xbox 360, it only plays regular dvds Correction: It can Play Regular dvd's along with HD DVD compatibility
NO the ps3 does
yes but not blu ray ones
No. No it won't.