I am looking at this property for a five night stay as I am at a convention next September (combining it with a personal visit - hence the mega advance planning). I usually book the Hilton but cannot believe the Doubletree is over Euro600/night and this place is under Euro170, which sounds excellent value for a non-restricted rate. However, it does look like a bit of a trek to the convention centre. I like the sound of the location and I don't really want to be stuck in a conference hotel in a suburb whilst in a city like Barcelona. I am a little put off by the distance to the Fira though. Any experiences on the metro?