I guess the best way to have a PSE is to be with an actual porn star. Heidi Van Horny (Angelika Ricci) was in town for a few days back in March. Did anyone see her? If so, you had a PSE. Nikki Cruz currently advertises on the Van LL. I almost saw Lily Fatale when she first came to Vancouver in 2015, but she took too long to text me back, so I went with another SP that day. I'm impatient!
The terms GFE and PSE don't mean anything. With the former, you're not really with your girlfriend, unless you don't mind your GF sleeping with other guys. And with the latter, you're not with a porn star unless you are actually with one, and check out her vids and say, yes, I banged that. I have gotten BBBJ's/CIM's and nice long doggy style with the girl dirty-talking and finishing with COF, but it was not a PSE. I have also kissed and cuddled quite a bit after the physical part, but it did not feel like I was with my girlfriend. Also, "GFE" can make you attached to your provider, which is never a good idea.
Why do you think a lot of SP's allow kissing? To keep you coming back to them. Why else would they allow something so intimate with a complete stranger? One of my favourite sessions was a straightforward half hour at Tokyo Massage in Burnaby with an Italian called Anna. CBJ and a couple of positions on the couch and standing, with a young, friendly and curvy lady. If there's a couch in the room, I'm already looking forward to the session.