The tinhats can enjoy the fact that Barney and Robin are bickering like an old married couple.
Um, didn't we already do this b-plot (if one can even call it a b-plot) in "Arrivederci, Fiero"?
Edit: I do like women in suits :) /edit
Barney: "You're upset because a guy talked loudly near you? [...] I got yelled at three times today. Once in Korean. [...] Screaming is a motivational tool. Like Christmas bonuses and sexual harassment. It's just good business."
Ted: "It's just ... this is a really good parking spot."
Barney: "Ted, Relax, it's Cuban. People pay to have their cars smell like this."