Wow! Tough choice! I like them both, but I prefer the way the Benelli feels. For me, it comes up smoother. Take that into account before you buy. Guns are like bows, if it doesn't fell right, don't buy it.
If I had to choose between a Benelli and a Browning, I'd take the Browning (Gold specifically) hands down. What balance!
Now, for my opinion on pumps, you can't beat Remington's Wingmaster. That sucker shoulders right now!
Ok, I'm done...for now.