I have sat in the Aeron several times before and never been that impressed. Just not my thing, but the support and overall comfort always felt lacking.
Recently I tried out the Embody from Herman Miller
and fell in love with it. Easily the most comfortable and best supporting office chair I have ever sat in. The looks may prove divisive to many, but I think the design is fine. It's a little on the pricey end, but if you can swing it I would give one of them a shot.
Right now I am actually using a Aeron knock off that my office provided me. The lumbar support is horrid, but I have made up for this by adding one of these
. It has done wonders for me, even if It's not a pretty arrangement. The added support was desperately needed for the chair since I have been working from home. I'd recommend one of them to anyone who can't afford a high end office chair, but has been feeling a lot of back and shoulder pain. At $80, it's a steal.
One day I'll upgrade to the Embody unless something better comes along.