Rangers are a lot of fun in groups and can be cool in raids. Their dps 1-55ish is competitive enough with other dps classes that you won't feel like a slacker, and you can pull, root CC, spot heal, and even tank in most xp situations.
At 60 your dps will be modest compared to other dps classes or a warrior with a decent dps weapon, and is more on par with a knight rocking a top tier 2-hander. If that doesn't bother you, you'll be fine.
As someone already mentioned, at 60 you can Weaponshield (aka, "bump"), allowing clerics to swap onto a new tank after the first one dies. These opportunities (hopefully) don't come up too routinely but man when you get a good bump done you'll feel like a champion.
Also, with Rangers being kind of uncommon, their gear tends to be pretty affordable, relatively speaking.
A ranger was my first 60 and I love that class, in case you couldn't tell
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