I have a Hagstrom Viking, and it is one of my favorites guitars. When i first got it, I also thought the neck was weird, but now I love it. Hagstroms have a proprietary "H" shaped truss rod that keeps them from twisting and makes it hard for them to bow. As a result, they can make the neck thinner. They are not Ibanez wizard neck thin, but they are far more narrow than a Gibson. They also have very little taper, and a resin fretboard that feels a lot like ebony. Couple that with medium jumbo frets, and you have a neck that takes a little while to get used to.
Here's the thing for me- the larger frets make it very easy to figure out where I am on the neck without looking down. Also, once you are used to the thinner neck profile, it's crazy comfortable and easy to get around on, since you could barely fit a credit card between the strings and the frets and still have no buzz. Plus, I haven't had to set the neck in a year and a half. The truss rod is that good.