InstallShield
InstallShield should be an installation development environment of choice for Visual Studio users.
Jason Zander, Corporate Vice President of Visual Studio, Microsoft
Support for Visual Studio 2012

Build installations and deploy applications targeting .NET 4.5. Include new .NET prerequisites with installations.
Advanced Wizard Page Editor

Entirely new end-user interface with redesigned built-in wizard pages and page editor to create a better run-time experience.
Hybrid Cloud Deployments

Microsoft SQL Azure database scripting capabilities enable hybrid cloud SQL deployments.
Microsoft PowerShell Support

Enables Software Producers to streamline installation scripting requirements.
Reviews
The maintenance is too expensive. I will be looking for alternative this year.