Please add ~amd64 to >=media-sound/muine-0.6.3-r2 as mono-1.1.4 now works on amd64.
see bug #83748
slarti told me that there are still some issues with it, but he will keyword it as soon as he fixed them
*** Bug 104893 has been marked as a duplicate of this bug. ***
mono is stable now on amd64
muine-0.8.4 works great on amd64. keyword added.