I think the only things the original films have over Begins is Danny Elfman's score, and the pseudo-1930s style. Nicholson's portrayal of the Joker doesn't define the character nearly as much as Mark Hamill's interpretation, and we don't even know yet how Ledger will measure up in TDK. Personally, my biggest hope is that Two-Face will be given a proper showing in the new franchise: there's so much left to be explored with that character.

And Solink: your sig is awesome.

EDIT: And people who harp on and on about how camp Forever and +Robin were, look back at Return's army of penguins with mind-control devices and rockets. And the 'Circus Gang' were a lame gimmick. The original is the only one I REALLY take seriously, and mostly due to the awesome portrayal of the Joker and his humour: 'He's been using... Brand Xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'

__________________
My Timeline Theory

Zeldas completed:
LoZ, AoL, ALttP, LA(DX), KnS, OoT, MM, OoS, OoA, TWW, FS(only on Silver Keys), FSA, TMC, TP(Wii), PH.
MAN I love the Zelda series.