Edited for privacy
I prefer [name_m]Zane[/name_m]. I see [name_u]Shane[/name_u] as dated.
I love [name_u]Shane[/name_u]! Wonderful and underused. I don’t know why, but [name_m]Zane[/name_m] feels like a porn star name.
[name_m]Zane[/name_m] feels very fresh and new while [name_u]Shane[/name_u] feels a little dated. So my pick would be [name_m]Zane[/name_m].
I prefer [name_m]Zane[/name_m]. I too see [name_u]Shane[/name_u] as a little dated.
[name_m]Just[/name_m] FYI, [name_m]Zane[/name_m] probably doesn’t mean the same as [name_u]Shane[/name_u].
I like both. [name_u]Shane[/name_u] is a bit more classic, but it’s not very common. [name_m]Zane[/name_m] is a little zaney 
I have a [name_m]Zane[/name_m] so I am partial, but I really do love it! He is our Zaney, and being the silly kid of the family, he lives up to his NN.
I prefer [name_m]Zane[/name_m]. Its a very cool and handsome name imo. I never liked the sound of [name_u]Shane[/name_u].
[name_m]Zane[/name_m] - [name_u]Shane[/name_u] feels like a ‘dad name’ to me.
I prefer [name_m]Zane[/name_m].
I used to love [name_u]Shane[/name_u], but it’s started to feel sort of meh to me. I’m not sure dated is the right word–just not as fresh and exciting as it once was! I do love [name_m]Zane[/name_m], though, and he’s a strong fixture on my boys’ list.
So he easily gets my vote! I think [name_m]Zane[/name_m] works with so many names, though–I remember being so stuck when I was looking for combos because I loved too many options! If I hadn’t gone for my current combo ([name_m]Zane[/name_m] [name_m]Alexander[/name_m] [name_m]Caspian[/name_m]!), I had really liked [name_m]Zane[/name_m] [name_m]Leopold[/name_m], [name_m]Zane[/name_m] [name_m]Dominic[/name_m], [name_m]Zane[/name_m] [name_m]Donovan[/name_m] (although this is the name of a TV character in the show Eureka, which I’m a fan of, even though it’s long gone, so I wouldn’t have used it for that reason, but I love [name_m]Zane[/name_m] [name_m]Donovan[/name_m]!), and [name_m]Zane[/name_m] [name_m]Fielding[/name_m]. 
Good luck!