I don't want to get flamed... I just wanted to say you Pallys are an awesome class.
I have a 45 Pally and a 70 Raiding Guard... My main toon however is a 70 Raiding Swashy.
In my guild my Guard is a backup Tank... our MT is a Pally... our OT/MA is a Pally... and guess who the next backup is? A Pally.
Our guild has always raided with a Pally MT and have learned to play that way... sub in another class and nothing go's as well as we have all learned to do it with a Pally.
The problem is that a lot of guilds are accustomed to using a Guard... There is no reason a Pally cannot do it just as well if everyone learns how to play nice in a raid with a Pally.
No one class makes the difference is a raid...
There is nothing like going full DPS on the pull... feeling all warm a fuzzy knowing amends is on you.
P.S I am not saying there is nothing wrong with you class... just remember that every class community has a list of things they would like fixed / enhanced on there class.