Funny enough, I've never been to any Seabra's location, even working in Newark for 9 years, and going to concerts/shows at NJPAC, Devils games at The Rock, etc.
I do like Adega too, though with drinks, you can expect the bill to be a bit on the high side compared to the other places. Agreed re: the scenery at Adega bar, if you can find a seat while the Portuguese league games are on!
Sagres makes a mean cocktail, but I only had lunch there once, years ago.