Got my Perfect Seal PS6 (acrylic) reshell back within the time-frame estimated. Mind you this is my first CIEM.
Fit - Couldn't ask for better. They are worthy of calling themselves "Perfect Seal" in my opinion. Tight but not too tight, I can get in and out of my ears quite easily - optimum seal every time and get more comfortable as I get used to them. This was my most important requirement, along with sound. They nailed it.
Finish - They look quite good. I expected them to be a bit glossier, but may just may be close what most companies produce. Can't find bubbling or imperfections like that. More than adequate for me (something like "very good" to "excellent".) Someone else with experience would be better to rate them relative to others. I am happy overall.
Sound - Directly out of my iPhone 6s plus. This will vary depending on the brand you are getting reshelled, but they have excellent deep and detailed bass and midbass (best attribute) exceeding expecation, nice overall tonal balance and separation. I didn't know a balanced armature driver could provide so much bass impact and depth - not missing dynamic driver one bit. Wow. Tom impact kills. Snare drum impact kills too, to note. Not what I would call TOTL in overall soundstage or realism/separation, but between "very good" and "excellent" (to be determined over time.) They are pretty close in many respects to my ASG-1plus but a solid bass bump w/no EQ needed for me and a touch less "smooth" up top (which I like). Right around my preferred signature. Nice treble sparkle without sounding artificial or sharp. I will need more time with them as I acclimate to them, but no issues to note. I enjoy the overall sound and could see myself growing to like them even more as time goes on. I will reserve final rating for a bit down the road.
Service - Excellent. I purchased another cable with in line mic that was a bit twisted up and they said they would take care of it, if I send it into them. Otherwise, no hiccups.
Overall - Very satisfied. I have no regrets going with Perfect Seal.