excellent, you take better pics than I do! I miss it already : /
You sound like you don't need any advice, but here are a few Barcelona suggestions:
--Walk along La Rambla, a 4km or so pedestrian walkway along the west side of the historic district. Everybody does this; you would end up doing it even if I hadn't suggested it.
--While on La Rambla, go into the la Boqueria market, which has an entrance off la Rambla: http://www.barcelona.com/barcelona_directory/monuments/boqueria_market
--Visit the Barcelona Cathedral and take the elevator to the top, where you can walk around on the roof and get a panorama of the city.
--Go to la Sagrada Familia (Gaudi church) EARLY to miss the lines. In the afternoon the line streches around the block.
--Wander around the Gothic Quarter, both during the day and at night when the party scene gets rolling.
--I will get you a restaurant recommendation, but it may take a few days. I went to a special place where a friend knew the cook and I forgot the name of it.
-- Go to the Camp Nou (soccer stadium) if you are a soccer fan. The line is horrendous. Requires a cab ride from the historic district.
-- Miro museum, requires a cab ride. Good museum but Madrid is a better museum town.
-- Park Guell, the famous Gaudi park. Do not go in the heat of the day. Recommend cab ride. http://www.barcelona-tourist-guide.com/en/gaudi/park-guell.html
La Sagrada Familia -- this is the view from the park across the street. Looks like the Wizard of Oz is remodeling.