Hard to point out one. The good thing is that the interviewers generally probe for your area off expertise before launching into more detailed questions.
The process took 5 days. I interviewed at Barclays (Manchester, Inglaterra) in Jul 2008
Interview
It was all good more like you are talking to a friend happens to come across after a very long time and she just pulling details out of you regarding what you upto and whats your future plan etc.
Interview questions [1]
Question 1
Tell me something about yourself which i couldn't find in your resume