Okay this is my first deal here so go easy! =)
I was on the Three website there and noticed that they have a 'Live Support' section. Now I clicked it for a laugh and sure enough an MSN-esque like screen appeared and I was talking to a real person.
Here's the clever part, after talking over a deal she give me a code to knock £20 off of any accessories! Try it and see, not a MAJOR deal but £20 is £20!
By the way I didn't sign up to anything she just give me the voucher to use IF I wanted.