[SIZE=14.3999996185303px]J.M.O. but I believe it is down to your frame, fitness and shooting style as to what suits you best, 18st, 6'+ you're probably better with a heavy gun 32-34" barrels, for a petite lady, 6st dripping wet, in wellies then a heavy gun with 34" barrels is just absurd.[/SIZE]
I reckon this longer barrel length thing is a trend led by the preference of GD, &co for longer barrels. Interesting that Todd Bender went to 34" then came back to 32?", Clayton Harris has done similar (32" back to 30" I think).
[SIZE=14.3999996185303px]While have no pretensions at being any good (yet), at a fit(ish) 5'8" I find my B525 + muller chokes giving a barrel length of 29+" works best for me. My grandfather 6'+, who had a reputation for hitting everything he shot at had 28" fully choked barrels made for his personal shotgun, when I first noticed that I had to scratch my head and wonder WHY? Having found out what works for me, gone from 31" - 29" and started to tighten my chokes for sporting, I now know why.[/SIZE]