Not sure if anyone is interested, but 3D Realms has an Anthology (DRM Free) out for ~$20.
http://3drealms.com/catalog/3d-realms-anthology_50/3D Realms Anthology includes the following games:
•Arctic Adventure
•Bio Menace
•Blake Stone: Aliens of Gold
•Commander Keen: Goodbye Galaxy
•Commander Keen: Invasion of the Vorticons
•Math Rescue
•Monster Bash
•Mystic Towers
•Paganitzu
•Monuments of Mars
•Cosmo's Cosmic Adventure
•Crystal Caves
•Death Rally
•Alien Carnage
•Hocus Pocus
•Major Stryker
•Blake Stone: Planet Strike
•Realms of Chaos
•Pharaoh's Tomb
•Word Rescue
•Secret Agent
•Raptor: Call of the Shadows
•Terminal Velocity
•Wacky Wheels
•Stargunner
•Shadow Warrior
•Wolfenstein 3D
•Rise of the Triad: Dark War
•Duke Nukem
•Duke Nukem 2
•Duke Nukem 3D
•Duke Nukem: Manhattan Project