Well, I wouldn't bother too much with this. As far as I know IE is so far the only CSS 3D Transform supporting browser that doesn't support preserve-3d
, however I can understand that you want to avoid having to update lots of sites once IE supports it (even if by that time your Autonomous Robot Butler will be able to do that for you).
So, for something that actually tests the support you might want to give this Modernizr test a try:
Tests for "preserve-3d" are not working on Android (via Browserstack)?