Pros: Decent sound quality for the price, light weight, comfortable and cool retro looks
Cons: Not much really
They are nice and light in weight thus not adding much to my laptop bag and Mac Book Pro for lugging about. The sound quality is very good and they are easily driven by my iPod Classic. The base is a bit thin and lacking in absolue depth and slam. The treble can be a bit "spity" and sibilant and ultimate transparency is limited. Having said that it all works together well and produces a very listenable sound.
With their cool retro look, decent sound and low price point you can't go wrong with a pair of these.