I love Office shoes! That's my favorite store to visit in London. They're actually not that expensive in London (but then again, the last time I bought a pair the exchange rate was much better).
I went to Office last June but they were between seasons so there weren't really any shoes that I wanted at the time. I want to go back now so I can buy all these cute shoesies.
I know you can buy Camper shoes directly from their site - I would do a google on the others to see if you can find them from a US retailer - you never know...