Nice one! My best tip for Barcelona is keep a firm grip on your purse!!! Thieving so and sos everywhere - even on the beach they'll try to nick your stuff by lying unreasonably close to you and grabbing your stuff when you're not looking.
Yeah, I also like this idea - I'll probably put something together soon and submit it but I'm not sure I really want the type of person who wants to read about me, reading about me