If you do know your size and geometry, plus can change stem for for proper reach why not look here -
http://www.bikesdirect.com/products/..._cf_ltd_xi.htm

You get the CF, Ultegra 6700, compact double, and lighter weight. At 40 treat yourself well and keep riding. Every bit of comfort, fit, and light weight is worth the investment at mile 80 or a century.