http://www.teamquitter.com/viewtopic.php?f=55&t=26553ArenaNet calls their Thief a profession “unique" to Guild Wars 2 and, despite the many inevitable comparisons to the original Guild Wars Assassin, it is actually true. Team Quitter’s fifth profession overview enlists the help of Siege, a Thief fanatic with PAX experience who also happens to be the leader of 치 The Spearmen 치, a well-known multi-game guild. He’ll help us introduce you to some fresh and familiar features that make the Thief a rogue like no other.
This one is really informative. (Not that the previous ones weren't, of course.) Siege gives some examples of Stealing, the pros and cons of the five weapon sets, and overviews the skills used in the thief teaser video. Strangely, this one doesn't have a tournament video as the previous ones did.
Originally Posted by How does the Thief compare to the original Guild Wars Assassin?