Hi-I have a choice of flying Lufthansa or SAS out of Washington DC to Copenhagen. Normally I love Lufthansa, but SAS has a direct flight. I've never flown them before... does anyone have any opinions? I will be traveling economy... but I could upgrade to an economy plus (I do on United, and I really think it's worth it for me). Not sure if they have this on SAS. The other thing is, I think the lowest SAS fares you only get 50% mileage credit. They are a partner with United, my main FF source.