Tom, 
Hi, I spoke to you earlier today about the question you had regarding desk to desk trades.  I want to make sure that I answer your question completely and accurately.  If possible, would you mind e-mailing your exact questions and concerns so that I can gather all the information that you need?  Once I receive your e-mail, I will speak to the proper people to get you an answer as quickly as possible.  Thanks for your assistance.

Ashu Tewari
x5-3558