A little overview of the different Dungeons and links to strats etc.

Utgarde Keep 70-72
http://www.mmo-champion.com/index.php?page=728
http://www.wowwiki.com/Utgarde_Keep
http://www.wowhead.com/?zone=206

The Nexus 71-73
http://www.mmo-champion.com/index.php?page=721
http://www.wowwiki.com/Nexus
http://www.wowhead.com/?zone=4120

Azjol'Nerub 72-74
http://www.mmo-champion.com/index.php?page=793
http://www.wowwiki.com/Azjol-Nerub
http://www.wowhead.com/?zone=3477

Ahn'Kahet: The Old Kingdom 73-75
http://www.mmo-champion.com/index.php?page=817
http://www.wowwiki.com/Ahn%27kahet:_The_Old_Kingdom
http://www.wowhead.com/?zone=4494

Drak'Tharon Keep 74-76
http://www.mmo-champion.com/index.php?page=734
http://www.wowwiki.com/Drak%27Tharon_Keep
http://www.wowhead.com/?zone=4196

The Violet Hold 75-77
http://www.mmo-champion.com/index.php?page=811
http://www.wowwiki.com/Violet_Hold
http://www.wowhead.com/?zone=4415

Gundrak 76-78
http://www.mmo-champion.com/index.php?page=795
http://www.wowwiki.com/Gundrak
http://www.wowhead.com/?zone=4375

Halls of Stone 77-79
http://www.mmo-champion.com/index.php?page=796
http://www.wowwiki.com/Halls_of_Stone
http://www.wowhead.com/?zone=4264

Caverns of Time - The Culling of Stratholme 80
http://www.mmo-champion.com/index.php?page=794
http://www.wowwiki.com/Culling_of_Stratholme
http://www.wowhead.com/?zone=4100

Halls of Lightning 80
http://www.mmo-champion.com/index.php?page=797
http://www.wowwiki.com/Halls_of_Lightning
http://www.wowhead.com/?zone=4272

The Oculus 80
http://www.mmo-champion.com/index.php?page=798
http://www.wowwiki.com/Oculus
http://www.wowhead.com/?zone=4228

Utgarde Pinnacle 80
http://www.mmo-champion.com/index.php?page=812
http://www.wowwiki.com/Utgarde_Pinnacle
http://www.wowhead.com/?zone=1196