Overall, sounds pretty promising. I think issues 4 (iWork) and 5 (file management) will get worked out with time. My guess is sometime over the summer (iPhone OS 4.0 release or thereabouts).
Ever wonder how to choose tools that will minimize strain and damage to you when you use them? This is not a bad start on some metrics.
(They don’t mention glove choice, which can seriously change how a tool works, but it’s still a useful intro.)