There's literally hundreds of posts on these 2 team set-ups in these forums. With a little searching you should be able to find more than you ever wanted to know.

You will want a level 70 paladin in your arsenal at some point in time imho. Even if you don't plan on using the paladin in your main team, they offer a ton of utility. They are teriffic boosters should you ever want to level up another team or even just a couple of otther toons.