Two words...

COCHE CAMA.
This translates roughly to "sleeper car" and here, overnight, long-distance travel is mostly accomplished by bus. But Argentina´s bus lines put Greyhound to shame. Imagine a first-class seating on a plane pasted into a double-decker bus, complete with pillow, blankets, restroom, movies, dinner, breakfast and a friendly attentant. This is coche cama. Semi-cama is a little less nice and royal suite has a fully-reclining chair.
All in all, I feel decently rested after my 13-hour bus ride. A few drawbacks--since we were, in fact, driving and not flying, there was always a bit of "turbulence". Also, the food was not being welcomed by my stomach, and it was all I could do to not get sick. The movie was some Denzel Washington flick played on very high volume, which faded in and out, and was better faded out. Nonetheless, I find myself safely in Mendoza, center of Argentina´s wine country. Today´s plan revolves around the Argentina-Germany world cup quarter finals game, which starts shortly. I´ll wander about this afternoon and plan on visiting some bodegas and wineries tomorrow. Have a look through some old posts, as I´ve tried to add a few pictures. Also, thanks for all the comments (esp KR!).