I don't believe in getting too hung up on belts either, or at least not on rank when we're talking about really high dan ranks. I like to make it to 1st Dan, 1st Degree Black Belt, for me that is a good goal and after that I don't care much for further rank advancement. Being promoted to higher dan levels is not something I particularly pursue, I just want to keep getting better. And if you're talking about belts, depending on the system you might wear different belts for really high dan ranks. Some styles might have a red belt which is above the black belt or a red and black belt or a red and white belt all of which represent high ranks above 1st Degree Black Belt. I don't care much for those belts or for being promoted to those high dan ranks. 1st Dan is good enough for me in terms of rank. Some people do like to pursue those high dan ranks but its just not something I care much for.