Re: [seeya] Adrenalin LD4 pc location
One of my friends who got back in to wing suiting this year does not jump his LD3 due to the placement of the PC. For him it was clean and okay when tracking, but with a wing suit the pull sequence got restrained and he needed to bend his wrist a lot. It was very demanding and not clean. Doing practice pulls with a leaf blower on the ground, it was obvious to him that the pull was not okay.
One of the things he did not like was that he would be able to touch the bottom corner of the container - not the PC pouch and PC handle - first. This, of course, due to the PC being located slight on top of the container, not on the bottom as with the LD2.
He opted to jump an LD2 where he has no problems with the pull.
I think this is a question of body type and build, personal preference, etc. There is no "one size/design fits all". I would recommend seeking someone out with similar size and build that owns an LD4 so you can try it.