Mark Fine is 10000% correct -- 6,500 yards is more than enough game for most and with the person designing such a layout can still prove to be a worthy challenge for nearly all handicap types.
And yet, over and over here, you hear higher handicap guys who want all the challenges that are in place to keep the low handicap folks busy....so why not length as well as bunkers and hills and valleys and water.....
You sound like you think the architects have more control over projects than they really do. Maybe a couple times a year there is a project somewhere that affords an architect or two the freedom to really direct the end result, as it pertains to commonly accepted configurations. Pitch this wonderful idea to the money behind the projects, and the architects will gladly step out of their comfort zones and design shorter, interesting golf courses.
This will sound pissy (and it probably is, a little!), but it is in the context of this discussion; In 2005, a golf course opened in Grand Rapids, MI. called the Mines GC. It is a par 70, 6700-ish yard daily fee with bluegrass fairways, bunkerless holes scattered throughout. It embodies many of the attributes that get pondered upon by this discussion group often; interesting greens with plenty of internal contouring, ground play options, wide fairways, diagonal carries, etc. Yet, it apparently isn't what you guys will travel for, save a couple of hardy souls.(The Mines did 24,000 starts(9's and 18's) in 2007) I state this to illustrate my original response to this idea: why? If you guys don't want it, who does? How would you go about convincing an investor to do a project like this when you are armed with the facts of what the market wants?
Don't misread what I'm saying. I like the idea of shorter, interesting, less expensive golf. It just isn't in demand yet, here or elsewhere.
Joe