How bad could socialized medicine be? - Well that depends on who you are. If you are the Communist King, not so bad - Look at the Castro brothers in Cuba. If you are a mere slave in the machine then things can be pretty bad. Look at the Cuban populace.
There are more stories, you just have to look for them
Didn't Hugo Chavez go there for cancer treatment?
They could send Michael Moore there for weight reduction therapy. Inside of a couple months, he'd look like a skeleton.