From first 3 weeks or so
Australia vs New Zealand
Ireland vs UAE
Scotland vs Afghanistan
Zimbabwe vs Ireland
Sri Lanka vs Afghanistan

Games involving Pakistan 
Pakistan vs South Africa
Pakistan vs Zimbabwe

In last week of qualifying
Bangladesh vs England
New Zealand vs Bangladesh

From Knockout drama
New Zealand vs South Africa

For sheer occasion
India vs Pakistan
India vs South Africa

WT20 better competition?

More teams
Shorter duration
Close finishes more frequent
And the bloody Aussies not winning!
Not much bilateral T20 cricket played, making it a real spectacle
Tougher to predict