Finally made it to the Apple store earlier this week so I've had my replacement iPhone.
White, 16gb...and I can only assume it's simlock matches the original, making it for use on Orange and Tmobile networks. But I will try and hunt down some other sims to try in it!
The warranty will continue until July 21st 2011 - the original iPhone's one year birthday!
The phone will come boxed (box IMEI will obviously match the previous phone) and I will provide the email from Apple store showing a replacement was made. In the box are the manuals, wall plug and usb cable. No headphones or Sim tray tool - although I've used a paperclip with no problems.
As soon as I was given the phone I put a screen protector on and put it in a Belkin black silicone case.
Not in a rush so no crazy lowball offers.
Update: have had no problems using tmobile and orange sim cards. Wish I had another sim to check if it's fully unlocked or not! Search continues!
£5 special delivery. Paypal pref, poss BT. Willing to meet in the area too if needed.