Here are some of the best Oscar monitoring sites on the web:
And the Winner Is...
Everything Oscar
Film Examiner
The Film Experience
Hollywood Elsewhere
Oscar Addict
Oscar Beachhouse
Oscar Central
Oscar Frenzy
Oscar Guy
Oscar Pred
Film Otaku
Awards Circuit
Variety Awards Central
Gold Derby
And especially...Awards Daily
and In Contention
Here are the sites to find all past nominees and winners of Oscars and other relevant awards:
Academy Awards
Golden Globe Awards
British Academy Film and Television Awards (BAFTA)
Broadcast Film Critics Association Awards (BFCA)
Producers Guild of America Awards (PGA)
Directors Guild of America Awards (DGA)
Screen Actors Guild of America Awards (SAG)
Writers Guild of America Awards (WGA)
Art Directors Guild Awards (ADG)
American Society of Cinematographers Awards (ASC)
American Cinema Editors Awards (ACE)
Costume Designers Guild Awards (CDG)
Makeup and Hair Stylists Guild Awards
Visual Effects Society Awards (VES)
Cinema Audio Society Awards (CAS)
Motion Picture Sound Editors Awards(MPSE)
Annie Awards
Here are a couple of other sites that could be useful for Oscar watchers:
Rotten Tomatoes (for average movie review scores)
Box Office Mojo (for box office stats)
Quicktime Movie Trailers (for the latest trailers)