No, I don't think they are wide at the nose...check out their website.
Actually, Rivendell has an interesting write-up on the Selle An-Atomica. Long back-and-forth about the benefits of Brooks vs. Selle An-Atomica...conclusion is that most people find the Selle An-Atomica more comfortable, but that for heavier riders who do lots of heavy duty riding, it might not last as long...
http://www.rivbike.com/products/list...product=11-061