Hi, this is the content of my /etc/apt/sources.list (comments removed for clarity):

# deb cdrom:[Ubuntu 8.04 _Hardy Heron_ - Beta i386 (20080319)]/ hardy main restricted

deb http://archive.ubuntu.com/ubuntu/ hardy main restricted

deb http://archive.ubuntu.com/ubuntu/ hardy-updates main restricted

deb http://archive.ubuntu.com/ubuntu/ hardy universe
deb http://archive.ubuntu.com/ubuntu/ hardy-updates universe

deb http://archive.ubuntu.com/ubuntu/ hardy multiverse
deb http://archive.ubuntu.com/ubuntu/ hardy-updates multiverse

# deb http://es.archive.ubuntu.com/ubuntu/ hardy-backports main restricted universe multiverse
# deb-src http://es.archive.ubuntu.com/ubuntu/ hardy-backports main restricted universe multiverse

# deb http://archive.canonical.com/ubuntu hardy partner
# deb-src http://archive.canonical.com/ubuntu hardy partner

deb http://archive.ubuntu.com/ubuntu/ hardy-security main restricted
deb http://archive.ubuntu.com/ubuntu/ hardy-security universe
deb http://archive.ubuntu.com/ubuntu/ hardy-security multiverse
# deb http://wine.budgetdedicated.com/apt hardy main
==========================

The output of the command (yes, I've used the correct one :)

$ sudo apt-get update && sudo apt-get dist-upgrade
Obj http://archive.ubuntu.com hardy Release.gpg
Obj http://archive.ubuntu.com hardy/main Translation-es
Obj http://packages.medibuntu.org hardy Release.gpg   
Ign http://packages.medibuntu.org hardy/free Translation-es                      
Obj http://wine.budgetdedicated.com hardy Release.gpg                            
Ign http://wine.budgetdedicated.com hardy/main Translation-es                    
Obj http://archive.ubuntu.com hardy/restricted Translation-es                    
Obj http://archive.ubuntu.com hardy/universe Translation-es
Obj http://archive.ubuntu.com hardy/multiverse Translation-es
Obj http://archive.ubuntu.com hardy-updates Release.gpg
Ign http://archive.ubuntu.com hardy-updates/main Translation-es
Ign http://archive.ubuntu.com hardy-updates/restricted Translation-es            
Ign http://archive.ubuntu.com hardy-updates/universe Translation-es              
Ign http://archive.ubuntu.com hardy-updates/multiverse Translation-es
Obj http://archive.ubuntu.com hardy-security Release.gpg
Ign http://packages.medibuntu.org hardy/non-free Translation-es
Obj http://packages.medibuntu.org hardy Release        
Obj http://wine.budgetdedicated.com hardy Release                          
Ign http://archive.ubuntu.com hardy-security/main Translation-es           
Ign http://archive.ubuntu.com hardy-security/restricted Translation-es
Obj http://packages.medibuntu.org hardy/free Packages                            
Ign http://wine.budgetdedicated.com hardy/main Packages                          
Ign http://archive.ubuntu.com hardy-security/universe Translation-es
Ign http://archive.ubuntu.com hardy-security/multiverse Translation-es
Obj http://archive.ubuntu.com hardy Release            
Obj http://archive.ubuntu.com hardy-updates Release    
Obj http://packages.medibuntu.org hardy/non-free Packages                                             
Obj http://wine.budgetdedicated.com hardy/main Packages                          
Obj http://archive.ubuntu.com hardy-security Release   
Obj http://archive.ubuntu.com hardy/main Packages 
Obj http://archive.ubuntu.com hardy/restricted Packages
Obj http://archive.ubuntu.com hardy/universe Packages
Obj http://archive.ubuntu.com hardy/multiverse Packages
Obj http://archive.ubuntu.com hardy-updates/main Packages
Obj http://archive.ubuntu.com hardy-updates/restricted Packages
Obj http://archive.ubuntu.com hardy-updates/universe Packages
Obj http://archive.ubuntu.com hardy-updates/multiverse Packages
Obj http://archive.ubuntu.com hardy-security/main Packages
Obj http://archive.ubuntu.com hardy-security/restricted Packages
Obj http://archive.ubuntu.com hardy-security/universe Packages
Obj http://archive.ubuntu.com hardy-security/multiverse Packages
Leyendo lista de paquetes... Hecho
Leyendo lista de paquetes... Hecho
Creando árbol de dependencias       
Leyendo la información de estado... Hecho
Calculando la actualización... Listo
0 actualizados (updated), 0 se instalarán (to install), 0 para eliminar (to remove) y 0 no actualizados (no updated).
====================

The result:

$ dpkg -l | grep amule
ii  amule-utils-gui                            2.2.0~svn20080218-0ubuntu4            graphic utilities for aMule

============================

Any comment would be appreciated. Don't hesitate to tell me if you want me to make other tests.