If you use any of the MS-created Messengers, you have to move to Skype. Choosing between desktop and Metro versions could be difficult.
What’s not to like with the Metro version? You get only one chance at setting up your Skype account, and you have to use a Microsoft account. Got an old Messenger account or a Skype account that isn’t a Microsoft account? Won’t work with Metro Skype. You get only one account. Your Messenger and Skype contacts are merged. No snap. No selective away/busy status. No contact search. Some hardware compatibility problems. And so on.
Skype: Free; per-minute charges; Premium account offers group video calls, group screen sharing, no advertising, live chat customer support, and unlimited calls to one country of your choice,...