> Touchscreens certainly also have their applications where they outperform every other interface, but it depends entirely on the task.

Agreed. I love my ipad for a lot of entertainment type tasks and I feel the touchscreen works great for that: most general web browsing, watching youtube/netflix, listening to music (touchscreen for browsing/creating playlists), some types of games (but IMHO fails miserably at most). Drawing is great with a stylus, but IMHO not so great with my finger.

For everything else, give me a proper physical tactile keyboard and a mouse, or physical buttons/knobs/faders/whatever.