Baldur's Gate Series, Icewind Dale Series, and Neverwinter Nights Released on Impulse

After having been released on Good Old Games a few months ago, Stardock's Impulse service is now featuring the various BioWare Infinity/Aurora Engine D&D titles in its catalogue. And they're all DRM-free, as long as you're OK with an installer program. The list:
Baldur's Gate Complete
Baldur's Gate II: Shadows of Amn + Throne of Bhaal
Icewind Dale Complete
Icewind Dale II
Neverwinter Nights Diamond