I have fun. Not as much as before I took a several year break, however. When I came back, the healers were simplified too much. With the kits we have now, I would prefer to solo heal most 8-person content. The healing output for AST and WHM certainly allows you to do so (on casual content) with time to DPS besides. Honestly, I miss solo-healing large groups. When I played Guild Wars 1, most of the time I solo healed.