Dual specs and the importance (or not) of saving gold

While reading through comments on the site the other day,* I stopped at Drak's on a recent Breakfast Topic and had to think for a bit. In defense of pure classes' concerns with the upcoming dual spec system, Drak wrote that we were weighing class functionality against hybrids' desire to save gold, and that the two concerns were by no means equal.I'm still convinced that pure classes stand to gain