Shooting Brownings for the last 15 years. Have always found them to be reliable and have never had issue to send them back, or to a smithy, for any work of any kind.
My BPS is smooth and fast as far as pumps go. I've either owned or borrowed 870's, Mossberg 500's and Benelli's. They are fine guns, and some passionate owners really bash on the Brownings.
IF you can actually find one of the BPS High Capacity guns, you're lucky. They are impossible to find here in Oklahoma City. I've never owned the particular model you're referencing, but am pretty sure it's based on the same platform as all the other Browning pumps.
Don't let the one-hole thing scare you off either. When I went to a Home Defense Shotgun class, the instructor had no idea how to handle the Browning. In the event you run out of ammo, reloading and pumping to get the first round into the chamber requires the same actions for one or two holers, except for the traditional shotgun, you have to contort your arm/hand over the gun, or under as seems to be preferred, to "drop" the first round in. In a class of 30 folks, nobody could reload as fast as I could with my Browning. (Maybe they were extra slow? Not sure, but the old wives tales about slow and unreliable handling as a defensive shotgun designed to knock on the Browning has never hit home for me.)
If you find one, and it "fits" you and your needs, I say go for it. The nice thing about a Browning (in my experience) is that you can get near to what you put into it (financially) should you need to sell it a few years down the road. Not seeing that with the Walmart-volume, cheap Mossberg and Remington shotguns these days.