Ok hears my bit... Uhmmm I hate to agree with the kid but aburido had a reasonable solution that I think is fair , in trading chain chest and chain legs for chain hat and booties. As I good ranger can keep certain classes from touching it. But let's go through what a ranger will and will not typically beat in 1v1's.
Disciple - a toss up the one with a better strategy will win with a slight advantage leaning towards the ranger (can be easily overcomed tho)
Other healing classes- easy win (unsure of bloodmage)
Geomancer- huge advantage ranger
Wizard - even bigger advantage ranger
Beguiler- adv ranger but a good beguiler can definatly win
Necromancer - adv for the necro here, if ranger can't sink it's first or second shot it's easily shut down
Bard - adv ranger but not by a lot quicken with the right strafing can beat a fully equipped ranger (and they shouldn't really have a chance being a support class)
Ninja- toss up depending if the ranger can sink his first 2 shots evenly matched
Thief - not enought experience but it's similar too ninja probably weaker though
Dragoon - this one depends on the equipment of the ranger. Using kb2 and p2 a ranger can win more often
Samurai - significant advantage Sammy unless ranger is hitting 80%+ acc (very hard to do consistently)
Dread knight- significant advantage to the dj
Paladin - not even a question paladin adv.
Now as far as 1v1s go rangers will beat more then they lose to but were including 4 healing classes which I believe shouldnt count (disc is a huge toss up up so we can ignore that. 2 more classes are support and shouldn't win anyway. The rest of rogue classes are fairly even but there definatly is a small adv overall there for rangers. Other Mage classes are easily beaten besides necro and most warrior classes easily beat rangers with the exception of dragoon. This presents a fairly evenly matched class in my opinion, giving it a somewhat decent advantage is most 1v1's. The thing is, and why I don't think it shouldn't be nerfed at all is how it performs in group fights. Rangers become significantly underpowered in a skirmish becoming almost squishy and easily defeated as fights usually quickly become short ranged and a ranger has no way of keeping its distance besides running, it's almost better to melee (which doesn't do shit) as pulling back the bow will get u ganked very quickly. not to mention accuracy is quickly deminished by probably 50% or more as hitting your team members instead becomes a hugee problem. This makes them the complete opposite of bards/beguilers as a ranger is a strong solo class but a fairly weak team class. And this is why ranger is good where it's at.
