Back 7 ( http://android9patch.blogspot.com/2011/08/android-9-patch-pack-7-large-gradients.etaml )has some nice buttons too that could be adaptation with 2 more states.
Pack 7 ( http://android9patch.blogspot.com/2011/08/android-9-patch-pack-7-large-gradients.html )has some nice buttons too that could be adapted with 2 more states.