RG updated. The entry there has his "default" readied maneuvers, which indicate heightened wariness of magical critters due to scrying, brain eating, etc. In a slugfest vs giants he'd probably want to spend a few minutes to re-ready a few moves before going in, if the option was available.
Current readied:
Moment of Perfect Mind
Emerald Razor
Wall of Blades
Iron Heart Surge
Current stance:
Absolute Steel (lets him move at 30' and gives him a nice AC boost when he moves)