Something from Iain M. Banks The Culture. The best books, like Excession would probably be hard to adapt due to the protagonists being mostly ships, but others like Consider Phlebas or The Player of Games could probably make great films or miniseries (and Use of Weapons would probably be great as the later).
Probably excessively expensive in the CGI department if done well, but one can dream.
That isn't always as effective as you'd think, especially with SSDs...
Yeah, that'd probably do it (though I'm not sure what it'd do to your microwave.
Thermite is guaranteed to destroy your data (and probably the floor, or the floor and the table if you're dumb enough to do it on a table, and anything too close to your data... but that's besides the point, the data will be unrecoverable, that's the point).