I dunno I played it again and finished it again just something like 2 weeks ago, maybe, just maybe I know what I'm talking about.
Also, I liked Fallout 2, and think it was an interesting take on the setting, but the tone was very much different from Fallout 1.
Fallout 1 took itself seriously, Fallout 2 didn't.
I also think that, from the sound of it, New Vegas is doing it right, they're focusing on the right things.
I'm perfectly aware also of the fact that FO1's setting was far from all-realized. Heck, Tim Cain and Chris Taylor couldn't even agree on the origin of the ghouls!