Microsoft has reinvented itself with Windows Phone 7. Gone are the fiddly menus that often required a stylus to navigate. Now homescreens can be customised with large 'live' tiles that represent shortcuts to the host of applications. HTC, LG and Samsung have all been quick to unveil Windows Phone 7 and, with that sort of backing, its sure to be a winner.

Top Features - Excellent synching of social networks, instant messaging and phonebook contacts, the ability to play online against other gamers with Xbox Live, and an intelligent typing system ensures a greater sytem ensures a greater accuracy by opening up the margin of error for the next most likely letter you will press

But - The humble phone call is a long-winded process

Best for - PC users, who will like the full suite of office features and easy synching between their mobile and computer. Xbox Live sync and good intergration of Facebook & Windows Live Messenger make it a great choice for social networking and gaming too.

Best buy - The HTC HD7 provides the perfect platform for the hugely improved Windows Phone 7 operating system to perform on.