I'm about to order a custom TA and have a hard time picking the best possible neck shape. I'm between these two: Happy Medium: .825 at the 1st fret to .915 at the 12th* Even-Taper: .810-inch thick at the first fret tapering to .870 at the 12th fret* There is some variation between the thicknesses but I'd like to know how the back shapes feel like. Are they C, D or V? I don't have a chance to try these different shapes personally. Thanks!