PE Gatwick to Barbados,bubble or downstairs?

Hi all,
Hoping in the next few days my seats for my my flight to Barbados on 4th January should be available to pre book,am wondering whether to book the bubble or downstairs? Flew in the bubble some years back to St Lucia and was impressed,very quiet and great service and first off,however after reading a few trip reports am now concerned that PE passengers aren't always one of the first to get off especially the ones upstairs, hence a long wait in the customs queue for those unlucky ones! Really looking forward to this flight especially with the refurbished aircraft!! Any advise would be much appreciated
Hoping in the next few days my seats for my my flight to Barbados on 4th January should be available to pre book,am wondering whether to book the bubble or downstairs? Flew in the bubble some years back to St Lucia and was impressed,very quiet and great service and first off,however after reading a few trip reports am now concerned that PE passengers aren't always one of the first to get off especially the ones upstairs, hence a long wait in the customs queue for those unlucky ones! Really looking forward to this flight especially with the refurbished aircraft!! Any advise would be much appreciated