We really couldn't make this stuff up -- it would seem that T-Mobile has been sneaking some hi-tech contraband into the UK in the form of unlocked iPhone 3G handsets, which it is now peddling to its most valued clientele. And by that, of course, we mean the piggies that pay up the most every month. Limited to an extremely select 150 units a week, the Apple devices are being used as incentives for high-rolling customers to renew their eye-gouging contracts of £75 per month and above, though we suspect only a few chums in corner offices know exactly how much T-Mob is charging for the handset itself.We've done some digging, and while O2 has exclusivity on the iPhone 3G until September, that does