Much like MorphOS or OS 4, AROS is a fundamental shift away from "classic" hardware - just this time usinh widely available and cheap x86 processors instead of PPC. AROS doesn't yet have the JIT capabilities of the PPC commercial variants but there are plans to intergrate this low level emulation in the future. There are AROS native programs and the more people that get on board the more software there will be. UAE is available of course so that's an option, especially for games.