IMO, people get too wound up into "is it a tube or is it SS", when IMO the question should be "is it good and do I like it?" I bet in some double blind tests, people that swear their allegiance to one or the other would get a few of them wrong.
Of course, anyone has the right to say "I only want to spend my money on this type of equipment", but there is some really good stuff out there on both sides of the aisle.