You end up going back via Amsterdam? It looked last night as though more return tickets on the Friday from Brussels to London had become available.
just booked return to brussels for now doing that £60 deal. the train out there was 80 alone, or a less ideal one for £35. so i thiought id just pay the 15 quid extra to cover me. if my mates make their mind up (iv only given them a day) then il just book a flight back from amsterdam or something and write the train back off