Probably the Scandinavians (and other Europeans) will ask for LGW since that is much more easy to commute to. Sooner or later the company will issue rosters that you actually live out of BKK if you have BKK base. Priority should be the date of joining with respect to your rank.
New destinations; I have only read what media write about. They wrote about San Juan (Puerto Rico) starting this winter. From next year on (and mor so with the aircrafts coming 2016 onwards) they write about most major cities in Asia, starting with HKG.
Keep an eye on
Norwegian | Airline Route