Weird as it may sound, I plan to use it as my primary laptop when traveling and when working from the bubble tea shops over on Castro. All I need is ssh and a browser (I use vim, which runs fine remotely), though I also plan to buy a 16GB USB drive for extra storage...keeping a local working copy of my projects will mean I don't have to have connectivity to work, though I suspect it'll be slower than working on the server when WiFi is available.
I like little lappies anyway--my current one is a Dell 700n, and I only got it instead of a smaller one because the smaller ones were twice as expensive.
I too plan to use mine as my primary travel laptop. I've realized that 97.482% of the time I'm just coding/web browsing/emailing/chatting, which doesn't require too much horsepower. I also think the XO will make an excellent ebook reader. Screw the Kindle!
It will be a pleasant downgrade from the ginormous 17" PowerBook I've been lugging around for the past 4 years.
I like little lappies anyway--my current one is a Dell 700n, and I only got it instead of a smaller one because the smaller ones were twice as expensive.