Finally managed to download and install the IOS5 update for the iPad. Most of the new features are unobtrusive, although still trying to find some of them.
However what wins is the wireless synchronisation feature. Now I can update my library (songs, books, tv) on my computer and click Sync. And the iPad gets updated while not connected. While not even switched on. While in my briefcase in another room.
[Although I'll admit it's probably sweet because Apple kept us tethered for far too long!]