My first shorts were Pearl, like 15 years ago. Shorts, not bibs. They had a drawstring and a thin foam chamois in them and they did the job. Years later and my closet is full of Assos, Castelli, and Giordana clothing, no shorts either, just bibs, glad I figured that one out quickly.
I was told that Pearl had some all new gear coming out in the Pearl Izumi Black line and the new PRO line and that it was unlike anything else Pearl had made so I tried some on. The fit is fantastic, shaped for riding and not for standing around in. The sleeves and shorts are a modern, longer length and the material quality is amazing. I wear an XL in Assos and the Pearl Jersey and shorts have a similar size. Not too small like the Castelli tends to run.
Bottom line, if you are looking for a top shelf kit, you should really look at the Pearl Izumi Black gear, it is fantastic.

No pinching, no binding, no bunching. This is the closest I've come to the proverbial second skin. It uses a mesh material where you want to breathe and an aero material elsewhere. This gives a great balance of comfort and speed. The sleeve is a bit longer than normal, which reduces drag on the upper arm. You're going to feel like a pro in this jersey.