as a bonus .. if you get the Xbox SX you can play those game in native 4K , since from Xbone X they where pushing hard for Full native backward compatibility just to still lure more people to buy theirs console ... also for those that dont know the Xbox360 emu can now play 60% of the full Xbox1/xbox360 library in compatible state (in some sections there will be frame dips , but if your on a 8 core\16 tread well... no dips there hehe)for more info go here
http://www.youtube.com/watch?v=geSRuO6ypMA , for a quick tutorial how to run RDR on the Xenia Emu ... and since the Xbox 1 and XBox 360 full source code leaked ... the emu in now magical ...