BiS warrior tank set(unbuffed):
http://www.chardev.org/?template=264418
Imo this is BiS because it's expertise capped, no parrys or dodges, and it's very close to hit cap to maintain VERY high TPS. You still have 23.4k hp and 56.7% physical avoidance unbuffed. Raid buffs give about 3.5% more dodge and 3.5k more hp.