Ditmas Park area, work in Downtown Bklyn, so any place near metrotech/barclays works for me; seems most convenient for both north/south brooklynites, and all the transit options you could want. Definitely down for an MLS cup watch party, or EPL games once the season starts.
I work out of 4 Metrotech myself, so that's how I know about La Defense, they are always showing soccer on their projection screen, place was packed during the world cup.