This uses the wincanton £20 off voucher, on the go to deal page, select the PAYG discount. The company name is wincanton and ID no. is OPOSO. A cracking price for this phone - next cheapest appears to be argos at £49.99 with no credit. This is £39.99 with £10 Orange credit. A great little music phone with lots of features!! :)
"The Sony Ericsson W300i is a mid-range clamshell phone that brings the Walkman-branded phone range to the mass market. Sony Ericsson have shaved functionality off the phone in order to bring the cost down, but the core music function is top notch."