Somebody think of the children! I mean the other ecosystems!
For what it's worth, WP7 has Facebook integration out of the box; it's opt-in, but it works very well if you have it. Ditto Windows Live (suprise) and uses Bing Maps, not Google Maps. All works pretty well, but that's just my happy user opinion.
Just the local Commodore hobo and middle-aged PC hoarder.
eisa on Trademe. A lasting reminder of a Compaq fetish when I was younger.