Join Date: Oct 2006
Location: London, UK
Programs: BA Gold, VS Silver, SQ Silver, IHG Plat Amb, Hilton Gold, Marriott Plat, Accor Silver, Radisson Prem
Posts: 16,872
For longhaul, business class usually. Often upgraded from paid premium economy with Avios.
Most of my travel is shorthaul and in business class too, although sometimes economy depending on price and (paid) upgrade availability.
Business class is just a comfier and more enjoyable experience.