Hmm..what do you think based on the images?

Specialized Ruby (Gel):


(BTW, at least on the Specialized website, the Toupe is only up to 143mm. Only the Ruby version is 155mm)

Toupe team:


SLK Lady Gel FLow:


SLR Gel flow (regular) -- Narrow in rear!!


SLK Gel flow (regular) -- Supposedly about as narrow in rear as SLR