Questions that Never Die

I'm trying to come up with a list of Questions that Never Die. Here's my list:

Is vinyl or digital better?
Should I get tubes or solid state?
Integrated or separates?
Are floor standers always better than bookshelves?
How much is too much to spend for speakers?
Are all cables the same?
Why won't kids listen to lossless formats?
Is X snake oil?

Got any to add?