I have family in Canada who aren't happy with the system there and had to come here (US) for treatment due to stupid long waits. I suspect health care is one of those things that works "fine" for the majority of people because the majority of people are "fine" and don't need it. A good friend of mine is permanently disabled and on Medicare, which works "fine" for her, too, aside from a month or so wait to get on it. After that, it appears that when she needs to go to a doctor, she does. When she needs meds, she gets them. When she needs to see specialists, she sees them.
If the US can't come up with an efficient-enough bureaucracy to make it work there, then it's really time to change how you guys do things.
Well, yeah, that's probably true, but even if we do, single payer still means no options. You're happy with your system now, but when it gets changed down the road and you're no longer happy with it, what are you going to do? I can switch plans at work once a year. If I want private insurance, I can pick up the phone and buy it. If I want to see any doctor, I can walk in and pay them. With single payer, what are you going to do? Change countries?