This is the best place to look at gear ratios. http://www.grimmjeeper.com/gears.html
You don't say what ratio you have now, is it 3.07 or 3.73. You can check your ratio by looking for the tag @ the 9 o'clock position on the differential cover, the second line of numbers sould begin with the ratio.
There has been some discussion that with the 6 speed and 33's 4.10 might be the better option due to the lower first gear and overdrive of 0.84. With my five speed, 4.56 is definitely the right gear.
If you have 3.07 gears you will definitely want to regear sooner rather then later. If you have 3.73's it may be liveable long term but it will depend on the highway performance you want and the type of wheeling you do.