Cons

Only EA games are available. Older games not available. Better deals can sometimes be found elsewhere.

Conclusion: If you only care about finding EA games then Origin is all you could wish for. While streaming demos are very convenient, Origin is far from a one-stop shop, even for EA's catalogue, as older games are not always available. Origin is certainly good at what it does, but doesn't do enough to be the only game manager you will ever need.