actodd wrote:
how much hit rating will I need to ensure no misses vs boss mobs?
"If you are a Level 70 character with a Weapon Skill of 350, you need a Hit Rating of 142 (9.00%) to never miss a shot against a Level 73 boss (or skull mob)."
For more math than I can understand or explain: http://www.wowwiki.com/Hit