Hi DBug! I have the PB Square upholstered sofa w/ chaise and the PB Comfort upholstered sectional. The Comfort has deeper seating than the Square. If I remember correctly, it's only 5 or so inches deeper but made a difference to us as I wanted a row of continuous pillows to make it extra comfy. You kind of just sink into it. The wedge corner piece on the sectional adds to the comfort. My husband and guests on the taller side notice it is more roomy as well. Your comment about looking into slipcovered sofas reminded me that before I got the pb Square, I bought two of their slipcovers to put over my old sofas and they were great. Slipped a bit but they weren't made for those sofas. Have you seen the pb slipcovered sofas in person? They look nice and I'd bet they're wonderful! Good luck! Obviously I've spent way too much time obsessing over buying sofas so if you have any other questions on fabrics or configurations let me know! Got back on to add that even though their stuff can be expensive, the thing that always makes me go back is their customer service. The wedge's cushion on our newer sectional looked like the fabric wasn't sewn right as it was rather "loose" looking. They replaced it, no problem. I know other places have great service too but I'm a creature of habit and stick with something if I know it's good!

I've had the Cameron Slipcovered square arm sofas (86" with sleeper and 60"). They have held up well and are still comfortable after 6 years (purchased 2016). We have two boys and their neighborhood friends hang out on them. I'm sure a soccer ball has been kicked into them hundreds of times. I chose the Performance Tweed on Slate. I love it. It's gray with a hint of blue and is easy to coordinate with. Very few signs of wear and nothing stains it. My cat peed on it the first week and the cushion batting didn't absorb it and the covers washed beautifully. I've put all of it in the washer numerous times. I even put it in the dryer on low heat and it looks great and doesn't shrink. No issues getting it back on. I do not fluff the pillows or move around cushions like you are supposed to do. The only signs of wear are the saggy back cushions. Expected after 6 years. Might be able to buy filler for them? We purchased them because they were more petite in size, which we needed in our last house. I do want a deeper sofa now but can't find anything that makes me ready to purchase. Although they are shallow seats (20"), my feet touch the ground and it works well if you are seated and taking to someone. My-in-laws and short mom like the upright feel. Not great to cozy up with my kids and watch a movie. I tend to lay on the long one and my husband sits on the short one and likes the height of the arm. It's just wide enough for a remote or phone. I'm considering the C&B Gather and Ethan Allen Spencer (I'm limited in dimensions). C&B has weird fabrics and I'm not sure if the Spencer will be cozy.

I have searched the web and am still having trouble finding a sectional with a rounded/curved wedge that is of better quality. Similar to this: https://www.potterybarn.com/m/products/buchanan-square-arm-3-piece-l-shaped-sectional-with-corner/?pkey=e%7Cbuchanan%2Bsectional%7C142%7Cbest%7C0%7C2%7C24%7C%7C3&cm_src=PRODUCTSEARCH

IMO if you want good quality leather furniture none of these companies would be my go to. I like Italian made leather furniture and Natuzzi has pieces in every price range and BTW IMO sectionals are the most expensive uncomfortable seating you can buy. Comfort in seating comes from having at least one armrest so a sectional gives you 2 people that have that. So save money and buy a sofa, in fact the nicest is a sofa and 2 chairs. I have owned good quailty Italian leather furniture all out married life so 50+ yrs and I have never regretted the price I paid otr the pieces I bought .