As you know, in the UK, the only place to get the Red and Yellow Nokia Lumia 920 on contract is with Phones4U. Black and White are available with both Phones4U and Orange/T-Mobile aka, “EE”. When you sign up, you might get either a T-Mobile, Orange or true EE contract (the first two seem to just pose as EE on your signal bar).
I’m not sure when precisely it became available but the Ferrari Red Nokia Lumia 920 appears to be available now in the UK through Phones4U. No sign yet of my precious Electric Pikachu Yellow one. It should be sometime in the next 7 days that I’ll finally be able to renew my contract.
The yellow is the handset used at the Phones4U shop as a display unit and on their adverts: