I didn't see anything about this here as yet, and wondered if others had received anything similar. The "Hi,we're updating our database and want some information from you" emails always strike a caution chord. Also, I don't believe I've ever received email from them except as relates directly to a confirmation for booked passage.
Code:
Which offer would you like?
Dear Sir/Madam
We are currently updating our Heathrow Express database in accordance wth the Data Protection Act 1998. If you choose to receive promotional emails from us, you can enjoy one of the following offers with our compliments.
Just click on whichever offer you'd like to receive, and we'll send you details of other offers as and when they're available. All tickets must be booked by 31 December 2009.
Complimentary First Class upgrade on any Express Class ticket
25% off any single ticket
Two for one on single tickets
Kind regards
The Heathrow Express Team
Any reason to believe that this is not on the up-and-up?
Cheers.