New Apple iPhone 3GS 8GB Black (Smartphone / Mobile Phone / Wife / Gift / ?

Hi here is brand New Apple iPhone 3G S 8GB on Sale this is upgrade phone from T-Mobile i opened the box but never been used and everything still in sealed original packing and in original box and its comes with everthing also it has latest version iOS 5, Phone came from T-Mobile, so its lock to T-Mobile but is it very easy to unlock it, PLEASE NO OFFER ALSO WILL NOT ACCEPT LEST THAN £150 KURT 07562792410