Wow..thanks everyone for the responses. I have some options to look into.
rego has a good question that highlights my quest - the ls50s are ever so slightly toed in...5 to 10 degrees at most. However, I'm pretty sure I'm getting their best which I said before is great. I really spent a lot of time with the best placement.
But my age, ears, preferences are changing for good measure. I'm older...I don't necessary prefer the sharp, focused, ferrai sports with body hugging seats...now I prefer to go slower, take turns easy, have a smoke and enjoy the scenery when I'm driving. I still prefer quality though. Maybe the best Jaguar for post middle aged male. Hope this makes sense. It does to me.