Your site never ceases to amaze me Pesala.
Its sheer scope and the amount of infrmation it contains is impressive enough on its own.
Having had a very brief look at your proposed redesign, about the only layout changes I would suggest would be to centre the navigation links on the bottom of your pages. Their left alignment is not really in keeping with the body text blocks.
Aside from that, one or two of the longer articles could do with being presented in columns or a divided table, as in your Buddha page click here
I like it.
It just takes me a while to go through it, it's so comprehensive. And that is obviously not a criticism.