my predictions:
in response to what i've quoted above, all they are talking about here is changing the current mix of passage types on the VR section and maybe tweaking the questions a little. it won't be a wholesale change. medicine is a conservative place, and AAMC wouldn't be doing anything truly revolutionary, trust me
other than that, stats and biochem will become de facto pre reqs. good, they already are at most med schools, and ought to be, too. the rest of it will be coachable (ie, you won't have to take a bunch of psych and socio classes to be competitive, the curricula would be impossible to standardize between colleges), but taking social science courses would be recommended, much the same way that stats and biochem are now. again, good. nearly every med school keeps telling us that they want applicants to take a broad mix of courses in college, and these changes will just push that along.
this will diversify the educational background of the applicant pool, which is in my mind a good thing. but yes, i'm glad i don't have to take the new 7 hour version, yuck.
edit: found
this paper on the AAMC site, useful if for no other reason than that it demonstrates quite nicely just how worthless orgo content is in medical school. look for more schools to start accepting biochem in lieu of orgo 2, as a handful already do.