I think you need your own dedicated 'Heathrow Questions' thread judging by your previous threads..

http://www.flyertalk.com/forum/aer-l...-2-lounge.html
http://www.flyertalk.com/forum/briti...eaving-t1.html
http://www.flyertalk.com/forum/delta...row-t4-t3.html
http://www.flyertalk.com/forum/singa...t2-lounge.html
http://www.flyertalk.com/forum/briti...e-lounges.html
http://www.flyertalk.com/forum/u-k-i...expansion.html
http://www.flyertalk.com/forum/briti...-heathrow.html
http://www.flyertalk.com/forum/delta...-heathrow.html
http://www.flyertalk.com/forum/other...l#post23086451