I just came back from Bangkok last week; moreover, I had lived Grand Sukhumvit-SOFITEL Hotel in Sukhumvit Bangkok.
It took me about 420 Thai Baht(by meter) from new Bangkok airport to NANA(Sukhumvit) by Taxi(any colour of Taxi is also OK & same).
enjoy!
2008-06-07 17:43:53 補充:
Ar....Sorry,
more....
There are some change for the road, about 70 Baht.