We knew as soon as we first clapped eyes on this hulk of a phone that it'd make a brave purchase. It's not just the 4.7-inch screen that requires a leap of faith, but also the Windows Phone operating system, which is presented here in all its Mangofied glory but is still very much an early adopter's ecosystem. After all, if you love the Titan's hardware but prefer a more established OS, you can always wait for the Sensation XL, which is essentially the same phone running good ol' Android and which should have a similar £480 ($750 converted) SIM-free price tag. The question is, do you have the guts to make that jump to something more exotic? Yes? Maybe? Then read on before you begin your run-up.