Okay, it's weird that I've reviewed a few a-ha albums and haven't yet mentioned that Morten Harket, lead singer of a-ha, totally looks like Patrick Swayze. Seriously, look at that picture and tell me you don't see Swayze.
Anyway, this album compiles a-ha single dating from their former synthpop days all the way into their elder statesmen of Euro rock years (no seriously, they get a lot of props in Europe. Bands like Keane and Coldplay cite them as major influences). If you want an overview of a-ha's career, this is a good place to start. It's not necessary if you own most of their studio albums, but that could be said of almost all compilations.