I AM IN NO WAY ADVOCATING "UNHITTABLE" AS THE BE ALL END ALL PRIORITY.
As I said in my original posts, I knew nearly nothing about other tanks and how the mechanics worked. IMHO knowing that ins and outs of the various tanks strengths and weaknesses could only make me a better Officer. I harbor no illusions that any tanking class can tank any boss, but the process steps each tank goes through was a mystery to me.
However, seeing as how none of us knows the IC fights; at this point, having the paladins "unhittable" with as much of an HP pool as possible and as close to melee hit cap and soft (dodge) expertise cap seemed like a good starting point in my mind.
I would like to get my other tanks to a similar level so that, walking into any raid, any content, the tanks are squared away. I have been given some very good advice and thank you all for your patience and mentorship.