Sony Ericsson Xperia X8 refurbished handset with T-mobile network - 18 months contract - (16 months FREE via redemption).
TCB is £30
100 minutes & 500 texts (no data)
If it is tracked by TCB, then seems a good deal.
If you want data - select orange network
24 months contract - (18 months FREE) - 50min, unlimited text and 250MB.