Well, one good reason that Chankast wouldn't come to the Xbox is because Chankast requires about 1.5ghz to run at good speeds. And even that's not enough sometimes. That being the case, I strongly doubt that the Xbox's CPU is good enough to run Chankast at good speeds. Maybe the X360 could do it, but I am unaware of an X360 mods that allow you to run homebrew software on them (not saying there isn't any, I'm just saying that I don't know of them if there are). Also, Chankast hasn't recieved any updates in quite a few months. So I would doubt that the author would want to rewrite it to fit on the Xbox (or X360), especially when the PC version isn't being updated. As for the reason that other emulators are released on the Xbox, that's usually (if not always) because those emulators you mentioned are open source, which Chankast is not. In other words, don't hold your breath on that, and don't get your hopes up. Mouser X over and out.