Don't know about laptops, I've never travelled with one on OU... They did make me take all batteries out of the things I had with me and check them, though.

Of course, this may all have changed.

For internal journeys, there's still a number of nice train routes you can take. The night train ZAG-SPU can be lovely - I managed to get a single, first-class sleeper compartment (very nice indeed) for ca. $30.