I have had both the original (shopped by Mike Chestnut with board upgrades by his Dad) and now a remake. I understand the remake uses essentially the same style Williams parts. I have never played them side by side....but I do not feel a difference. In my opinion the remake does not feel like a stern (and I own several Sterns) - probably because of different parts. The remake is gorgeous with a nice gloss to the playfield and I have the color upgrade installed. Electronics are simpler in design and mine has not given me one hint of trouble since I have had it.
Several NIB remakes available and I have seen a few HUO remakes for sale at a pretty good bargain as well.
Dive in, the water is fine! Enjoy the game,
Bob