I plan to add the remaining components they have when I have some time. Right now there are buttons, paper, text inputs, checkboxes, radio buttons, icons, dropdowns, menus and selects.
Radio button and toggles in ember-paper are broken on Safari.
I don’t know if it’s possible to port https://material.angularjs.org but their demo is amazing.
If you’d include toasts, it would be even greater, since modals it’s a common issue for starting developers with Ember.