Thought you might find this interesting, it’s one of several blog posts Dave Moulton has on bike fit, and emphasizes 1) proper saddle height and 2) ensuring that the arms are positioned and working in opposition to legs as the two basic priorities for fit.

Dave Moulton's Blog - Dave Moulton's Bike Blog - Riding Position Simplified

The upshot is that there is a good reason to have a fair amount of bar drop for a road bike and to adjust reach to produce a similar arm angle if you want to ride more upright.

If you go to his section on bike fit you can also find a post about the relationship of recommended bar drop to frame size for road bikes.

http://davesbikeblog.squarespace.com...ebar-drop.html

Otto