I am 6'1" and I bought my 16 with the low bars. I felt that I needed a little more after a couple of rides so I added a 1" riser which makes it the same as the mid bars. I went with the low bar for one reason. It is a lot cheaper to add a riser than it is to buy a set of bars.
x2. And at 6' even I found the lows to be too low for standing comfort. My 14 Freeride was perfect out of the box.