W800i.
Great phone, only real difference to K750i is the actual MP3 player, not just a media player.
2 Mega pixel camera, slide to cover them camera lens to stop dirt and scratches.
COmes with 512mb removeable memory, and 64mv built in.
Have Infared, bluetooth.. D600 only had Bluetooth.
Very nice, and very good phone. Btw i have one :P.
£30 a month, 250 any time mins, 200 texts, was 1/2 for first 3 months.
And your looking at 250-£300 on PAYG.