I have the N900. It is interesting and good and I like it. But I could not recommend it, given some of your use-cases outlined above. You can't create or accept Outlook meeting invites, for example. And it's a two-handed device. It may be worth testing for a week. Some of the concepts are very interesting, if half-finished, experimental, and ultimately, probably failures. More of a device for a tinkerer than a geek about town. I'd be interested to hear what the Nexus people have to say...