I will be purchasing my first double bass in a few months (Upton UB Standard), and they give the option of string length with a D or an Eb. I'm about 5'10 and have "normal" sized hands. I'm used to playing a D neck, and played my teacher's Eb neck bass one time, and didn't notice too much of a difference, but I was only playing it for a couple of days. Would there be a noticeable difference in the future after playing for a while, and would you recommend one over the other and why? PS. I understand a D neck is the norm for a double bass. The poll is for which you recommend, not which do you use.