Wow... what a big, fat, frustrating waste of time for me...
I tried downloading the newest version of Foobar, and I had all sorts of problems with my current skin. I had to redownload my skin, new Foobar version, components, etc. multiple times, and in the end... there is no sound difference between WASAPI and ASIO, except for a very quiet intermittent clicking sound with WASAPI!!
I ended up redownloading the older Foobar version I was using to get everything working correctly again, and had to reset all of my configurations. Back to trusty ASIO.
Grrr... couple of hours wasted, and I still can't get Foobar to stop trying to tag to my WAV files (giving me an error message for each track I play!), so in the end, I'm worse off than before...
Lesson learned: if it ain't broke, leave it the *&$% alone!!