parading around on a phone that shipped with MeeGo, but for those waiting for a proper, (semi) stable release to try it on their own N9, heads-up. NITDroid forum administration e-yes has laid out alpha release numero uno, dubbed Project Mayhem, which brings Android 4.0.3 to one of the most beautiful pieces of handset hardware to ever exist. As for things "expected" to work? Dual-boot operation without reflashing, 3D drivers, multitouch, USB networking, Bluetooth, charging and a whole host of other niceties. There's a demo after the break for the nonbelievers, and those with plenty of time (and wits) can get to cracking down in the source link.
Update: The UnLockr has a fantastic how-to for installing Android on your N9.