#72 is our favorite of these. The font is consistent in style and color, which we like. #106 and 107 are spin offs we aren't interested in but we do like
#70. The only thing about 70 is that it's pretty obvious. We see this symbol all the time in our work and it may be to common. This is not true of
#72 which has a somewhat unique approach to the three colors everyone is associating with digital photography. 72 is very strong. Thanks!