Their home planet is Skaro, but they get all over the Universe in their massive spaceships in their various wicked attempts at inter-galactic domination, so they can really pop up anywhere!!
The Dalek Emperor- he has no reason to suppose that the White Supreme Dalek would ever show disloyalty to him, BUT if he ever DID, then the Dalek Emperor would have officially secret military technology unavailable to his opponent that could be deployed against any insubordinates under his command.
On a Dalek spaceship.
Basically those voices were electronically manipulated. You can find some information on how the Dalek's voices were created in the Wikipedia article on "Dalek", specifically here: http://en.wikipedia.org/wiki/Dalek#Voices
http://dalekfactory.tripod.com/DIY.html
1st . dalek caan 2nd. dalek sec 3rd . dalek they 4th . dalek jast
Gir .
The Dalek that went insane after pulling Davros from the time-war is Dalek Caan, apart of the Cult Of Skaro (Dalek Sec, Dalek Caan, Dalek Jast, Dalek They)
The name of the black Dalek in Doctor Who is Dalek Sec.
either dalek sec or dalek stratigest
The "yellow dalek" is called the Eternal Dalek.
I am a member of DBG and I built a full size accurate Dalek. You need to find and download the plans for your favourite style of Dalek, then spend money buying materials to build it with, then spend a lot of time in your shed/garage with machine tools till it's done!
Mark I Dalek (The Daleks) Mark II Dalek (The Dalek Invasion Of Earth) Mark III Dalek (1965-1984) Dalek Emperor (Evil Of The Daleks and Parting Of The Ways) Dalek Supreme (Planet Of The Daleks) Necros Dalek (Revalation Of The Daleks) Imperial Dalek, Special Weapons Dalek, Renegade Dalek (Remembrance Of The Daleks) New Series Dalek (2005-TBA. Daleks will return in 2010's "Victory Of The Daleks").