diddly

Hey gang; I'm not really THAT old, though I am a bit slender, and that lady that grabbed my butt a couple of weeks ago at pickleball said, "God, you've got a bony ***." At 6',1" and 153.8 pounds...I didn't argue! So what does that have to do with the Lexus Forum?...Glad you asked.
I've been kind of looking on and off for a while at a couple of different 'Lexi', to upgrade to, from my '99 Camry. I love my Camry, it's a V6 and it's of course, totally reliable, but I think an upgrade to a Lexus would be nice. My main complaint about the Camry, is that the leather seat is just a bit too hard, firm, lightly padded...however you want to describe it.
I know how smooth and sedate an ES300 is, but that is not super important to me. In fact; the Camry's 'rawness' and lighter weight feels a bit more nimble to me; (whether that is actual or perceived; I care not) and has a certain appeal. But an ES certainly has a more comfortable seat!
So; I've checked out a few different cars: I sat in a nice ES330 last week that my friend's next door neighbor will soon be selling. It was a nice car for sure, but I was a bit disappointed to feel that the seats had 'firmed up' quite a bit, from the older ones I had been in, (like my son's '98). I'm guessing that Lexus changed to the firmer seats when they upgraded to the 3.3L engine: Is that true? And if so (or even if not), can someone tell me what year the seats changed from those old 'cushy' ones to these new firmer ones?
I also drove a GS350(?) about a month ago and the seat felt like the newer ES; a little firmer than I prefer. I've even thought of trying to find some old ES seats and transplanting them into the Camry (direct bolt in, if I'm not mistaken), but finding a well taken care of ES300 is probably an easier and wiser move.
Any info., suggestions (gaining 'backside' weight is NOT an option), or a nice pair of ES seats, would be greatly appreciated!...diddly