Nokia 5800 Dolphin £30 (£27.41 online direct with Orange)
200 mins + 300 texts
With Quidco £150 cashback, effective monthly cost = £14.91
Best I found elsewherewas effectively £14.68 but you'd have to claim your cashback rather than automatic through Quidco.
Free evening and weekend mobile internet browsing for 2 months.
FOR A 12 MONTH CONTRACT - USE RACOON AND NOT DOLPHIN