Given the business class loads between LHR-ATH it would be very strange if they cut the seats to eight on this route when there are often 30+ in business where although they have three services a day they are not the dominant player by quite a margin. A3608/9 has been downgaged from an A321 to an A320 since the beginning of the month. Maybe loads are light in January but at other times of the year when I've been on A3608 it has almost always been full and never particularly cheap.