What does Barcelona mean for AMD?

You know that AMD's next Opteron is codenamed Barcelona and that plans call for 'Shanghai' and 'Budapest' releases but do you know why?

Sorry, Madam, it is nothing to do with rivers. I'm afraid not, sir, there is no connection with dictatorships. No, Mr Pointyhead with the tartan shirt, you're wrong and your attitude is frankly offensive.

The first correct answer wins a pint of the peerless Timothy Taylor Landlord Bitter. If you're wrong but make us laugh, you are entitled to something I find under my desk.

Tune in an hour for the correct answer. µ