Monk vs Ranger

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I'm having trouble deciding on my next alt. I played a monk on live for several years so I know what to expect out of the class but I'm wondering how Rangers compare in the dps department and overall desirability at 50+.

I will be twinking this character and will be soloing most of the way to 50 but will be grouping at 50+.

I'm leaning towards Ranger since it's something I never really played on live but will I regret picking it over monk in the long run?

Any advice is appreciated, Thanks.