Please start a forum on the Eurostar
 

They have their own FTP and team up with United, Virgin and Hilton.

More importantly they have R/T tickets from FR, BE and NL to the US east coast for 35.000 miles equivalent!

I found this using the Search function, and thought I'd give it a bump...

I know it's not technically an airline, but FT does include Amtrak, hotels and cars, and the Eurostar Frequent Traveller programme is disturbingly like an airline one... (and so is the passenger experience - minimum check in times, upgrades, lounges, delays, compensation, etc, etc). Anyway, it would be a good idea to start such a forum, especially as they carry more pax between LON-PAR and LON-BRU than all the airlines put together.

Incidentally, I believe UA MP have now formally parted ways with Eurostar, although judging by the vast number of "you-must-be-kiddings" whenever I tried to earn MP miles on Eurostar, you'd never have thought they were ever partners in the first place...