I thought a 10 man Sevilla were still proving dangerous to them, god help them next round
I'd assume for progression they'd like Atletico or Dortmund, both of which can run riot at times. Otherwise from a fans perspective, they'll be treating this as the FA cup minnows scenario and will likely want Madrid, Juventus, Bayern or Barca.
Juventus though, it can be done:
http://news.bbc.co.uk/sport1/hi/foot...ue/2349169.stm