OK, the L.L. Bean Washable Year-Round Trousers referenced in the blog immediately below are really nice. Very light and comfortable and fit nice, my best pick so far. And the little elastic comfort waist is pretty nice for those days when you over eat a bit or have slacked of on your exercise. I bought a black pair and I am going to get another color or two.
After two years the L.L. Bean pants referenced above are still the most comfortable off-the-shelf 34x36 dress pants that I have found. I recommend them especially for warm weather. They are very light and breathable.