I have found that humidity really accelerates the patina process. I have a humidifier in my office at work and boy did it ever speed it up. (And I'm one of those who prefer the lighter vachetta.
I let mines sit near a window!!! And i use baby oil gel on my hands before i carry mines!!!
There are some very precise tips for that "perfect patina" on this site:
http://www.hisremnant.org/Vuitton/patina.html
My mom told me that LV has some kind of spray to spray on vachetta to accelerate the patina process. This was in Japan like 2 years ago, I dont know if U.S. LV would do that for you
Here are (damier azur & mono keepall, they are about 3 months old) the result of forced patina by mixed direct tropical sunlight and leather conditioner ... a bit vandalism. Earth's global warming might be good for accelerating vibrant to our pale leather, lol.
Picture taken on poor light.