Yeah I like the set! I personally didn’t notice the pages being thin until I saw your main post. Flipping back through them I think they are a little thinner than standard physical manga, but definitely not too noticeable (at least to me haha).
Page Photos (Vol 1 images)
Here are some photos I happened to take when reading through vol 1. Some places are more noticeable than others that you can see through the page a bit, but I have found the same thing with other physical manga. Maybe that will help give an idea tho.
Other than that, I can also see the large volumes being intimidating for some. As you can probably tell from the full set picture, some are actually small and others are HUGE. But the thing I really like about it that I didn’t realize until a bit in, is that the spots it starts and stops at are very natural. It’s broken up more by plot points and specific matches than by a certain page count. For example the last volume I read, volume 7, was big because it was one long match (see picture below, or not if you don’t want spoilers on upcoming teams)
In the top right you can see whats in that volume, in this case the 湘北vs翔陽 match
But yeah, I can see how some people would dislike that, but since I’m already hooked I very much enjoy it being broke out by match/etc.
Another thing I like about this particular set is the beautiful cover illustrations!! Inoue redrew them for this set in like 2018 or something? And they’re BEAUTIFUL (Covers in the photo below) For me I also found this edition more available and easier to get my hands on. It might be different for others, and some probably prefer the original covers as well. But that’s why I went with this set :))
All of that junk put shortly:
新装再編版 20 Volume Set
Pros: May be easier to find in some cases, redrawn covers by the author, volumes split up by plot points and matches
Cons: Paper a little thinner than standard manga, covers and volume length differ from original, longer volumes may be intimidating