There is a pretty active debate about WSD. I am 5'2" and it is definitely for me, I have a very short torso. Someone without a short torso wouldn't find it is necessary.
I am partial to Cannondale but Specialized is also a great brand. The Synapse Aluminum or Dolce would be a good starter bike,
Amanda
2011 Specialized Epic Comp 29er | Specialized Phenom | "Marie Laveau"
2007 Cannondale Synapse Carbon Road | Selle Italia Lady Gel Flow | "Miranda"
You don't have to be great to get started, but you do have to get started to be great. -Lee J. Colan