I've been struggling with this choice for the last year. I have a local off-road club that has blown up (from nothing to over 300 active members). The thing I love about it; is that it has gotten so big, that almost every Saturday and Sunday there is a group of 4-10 rigs going to our park 1 hour a way. Means that you don't need to plan ahead to go wheeling; just have 6-8 hours free on a Saturday..... As you might guess; 70% of the club is running JK's and prolly 70% of that group is on 35s (easy to do on a JK). I had 265/75s/16 (measured 31.7"). Technique and hardware; I could hang with the kids all day; tire size definitely was a problem at times. 35's on a CJ pretty much requires spring over from what I've seen (or like 5.5" springs). I came across an oddball size (and a great deal) on a compromise that I hope removes the size limitation without causing too much rubbing / fitment.
they are 295/70/17 and measure 33.5 (actual measurement) MAXXIS RAZR. Pretty much a 34. Amazon was running them for $225 each - free shipping...