Icelandair offers a proper 2-2 configuration in its Saga Premium class ... an A321LR with business class but only for intercontinental routes to North America (Toronto and New York).
In North America, the jet will fly up to eight hours nonstop to cities including Seattle, Toronto ... Icelandair's A321LR plane has 187 seats in two cabins: 165 in economy and 22 in "Saga Premium." ...