Alas, I have not 599....
I feel ya bro. I only got it because I sold my Strat. While I didn't play it much anymore, it was a quality guitar that I'm still sad about parting with.
Sounds like your S470 had a wizard neck.
I went from a wizard II which felt very thin and flat in comparison to the Epiphone Flying V that I had, then on to a super wizard and the wizard II felt like a baseball bat compared to the super wizard.
After getting used to the super thin and flat wizard profile I'm worried that anything else will feel like a telecaster! I know ESP custom shop and signature series have the Extra Thin U Neck Contour and Extra Thin Flat Neck Contour available, but I'm not overly keen on signature guitars (screams wannabee IMHO) and the custom shop is way out of my leauge.
Tele necks aren't so bad. I've been playing a Strat and Tele for years (and just dropped a Duncan Hot Rails in the bridge of the Tele...man does that thing roar now!). Which is why I guess the Schecter neck feels right at home to me. On the S470, it was never the thickness that bugged me (I was just suprised it was thicker than my 550). But more the fretboard than anything else. My playing felt very forced on that, as opposed to the new Schecter (or any of my old reliable guitars) where it just flows smoothly.