Originally Posted by
SoFlyOn
Sam, that raises another issue - credit card usage.
Outside of hotels and restaurants, you'll usually be asked for ID when using a credit card (I'm sure Alex will waive that since he can track you down

), and the only acceptable ID I've found is a passport (i.e. a US driver's license won't cut it).
The only place where I ever had to show my passport was when buying longhaul bus tickets or ski passes. At all other places they ask for a document number, but it's never cross-checked.
And a drivers license simply isn't an ID, sorry ;-)