The *Catwalk* ad has been floating around for about five months.  This lady has been advertising as either Jaylene or Audrie.  I first saw her around the beginning of March or so on EpicDreams...  
www.epicdreams.com/profile.shtm?id=Audrie84

I emailed off, and she sent a note back.  We exchanged a few emails and chatted on the phone.  She was offering incall at the Guest Quarters on Storrow Drive in Cambridge.  We made an appointment for 10 am on a Saturday morning.  I confirmed the day before.  On that morning, I called repeatedly on both numbers she had given me, with no answer.  I followed up by phone and email to ask why the no-show, but never got any answer.

Although she's been around for five+ months, Audrie/Jaylene has never been reviewed on any review site of which I am aware.  I did notice, however, that there was an active series of postings about them on CL over the last day or two...
http://boston.craigslist.org/ers/40295440.html
http://boston.craigslist.org/ers/40351733.html
http://boston.craigslist.org/ers/40355955.html
http://boston.craigslist.org/ers/40362061.html
http://boston.craigslist.org/ers/40367247.html

Make up your own mind.  I've made up mine!

Have fun, MG