Welcome to Flyertalk. There has been a ton of postings on this subject recently. A check using the "Search" link revealed the following over ther last forty days:

http://www.flyertalk.com/forum/Forum50/HTML/020935.html

http://www.flyertalk.com/forum/Forum50/HTML/021088.html

http://www.flyertalk.com/forum/Forum50/HTML/021248.html

http://www.flyertalk.com/forum/Forum50/HTML/021519.html

http://www.flyertalk.com/forum/Forum50/HTML/021614.html

As the subject has been discussed in detail, I'll close this thread. If you have any further questions after perusing the links, add a posting to one that fits the query.

Regards,

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Craig6z
Buzz & United Moderator