I think many of us are familiar with this... http://www.ecechicago.com/modelsall.aspx

So this seems a little fishy... http://www.courtesanvip.com/Home_Page.html

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I've never seen identical descriptions for what appears to be different ladies.

I only clicked on a couple of links and you are correct.  I think its good info for us hobbiests, Im not sure if someone is ripping off ECE, or if they just have 2 sites and are too lazy to write up new descriptions

Stick with the ECE site. The resemblance didn't go unnoticed. Perhaps it's just marketing and not an intent to deceive. As agencies go, you'll almost always do okay with this group.