Yes, the Android 3.1 firmware update for Galaxy Tab 10.1 Limited (I/O) is finally out
Setting >> About >> Software Update >> Check for Update
It will download an update, ask for reboot and shows an installation progress bar during the usual Samsung Galaxy Tab 10.1 splash screen. The whole installation takes about 15 minutes, and voilà, three-point-one!
[Update]
A couple of findings after I play around for a couple of minutes:
In honor of Les Paul birthday, Google celebrates it by making an electric guitar on its logo.
If you have one of this special baby:
I'm sure there are better methods out there, but the good old FTP is still the de-facto way to copy files from one system to another. It is definitely not for production environment. But for most cases - where you just want your client to be able to read and send files to you - FTP is still the way to go.