looks like pes5 will be compatible with xbox360 ...and it will be upscaled to higher resolution .... great news !!!!!
list of compatibilty games :
http://www.xbox.com/en-US/games/backwardcompatibilitygameslist.htm
some FAQs :
http://www.xbox.com/en-US/games/backwardcompatibilityqa.htm
list of compatibilty games :
http://www.xbox.com/en-US/games/backwardcompatibilitygameslist.htm
some FAQs :
http://www.xbox.com/en-US/games/backwardcompatibilityqa.htm