Whilst at LHR today, I spotted a 733/4 coming out of T2 which looked like this:
except the writing on the tail was smaller and on the rudder (like Air India's writing)
Definatly a 737-300 or -400. Definatly red engines.
[Edited 2005-10-01 22:36:04]
[Edited 2005-10-01 22:37:23]
[Edited 2005-10-01 22:37:56]