My vote is for Crypto-Trade supports both USD and EUR, and a number of different payment processors, including withdrawl to paypal.
current currency pairs on the site:
For some free XPM to get a taste of the site with, you can sign up using this thread
https://bitcointalk.org/index.php?topic=259927.new, leave a reply in the thread with your username/PM me here and I will send you msg over there with a CT redeemable code.