If you can go to Prague and Budapest go there. Vienna is beautiful but you can skip it. If you truly want the cultural BAMB with the old world architecture these two cities are it.

I lived in Budapest for four months and I lived like a king. Eastern europe is great and cheap. And for parties, well, I like the French, Spanish and Italians for that, but Eastern Europeans are amazing! And don't worry about the language.

As for traveling, get a europass and use erasable ink when marking the dates.... bad, yes it is, but when on a budget and press for time, it comes in handy.

When in London, stay at the "The Generator," reserve your ticket in advance, this place has it all, bars, internet, storage, free all you can eat breakfast, and every night it's a party so you dont' even have to go to bars, the party is always down stairs. They even give you two drinks per night that you stay there. You'll love it for all that it offers at Normal Brit prices (Which watch out for, the Pound will kill the dollar, so it maybe look cheaper, but it twice as expensive).

Good luck,
bon Chance
Buena Suerte
and in broken Hungarian, Vizson Latasara