Power Rangers may never get a proper DVD release yes, but X-Men looks like it is.
Episode Guide:
Disc 1
Night of the Sentinels (Part 1)
Night of the Sentinels (Part 2)
Enter Magneto
Deadly Reunions
Captive Hearts
Cold Vengeance
Slave Island
The Unstoppable Juggernaut
Disc 2
The Cure
Come The Apocalypse
Days Of Future Past (Part 1)
Days Of Future Past (Part 2)
The Final Decision
Till Death Do Us Part (Part 1)
Till Death Do Us Part (Part 2)
Whatever It Takes
Episode Guide:
Disc 1
Red Dawn
Repo Man
X-Ternally Yours
Time Fugitives (Part 1)
Time Fugitives (Part 2)
A Rogue's Tale
Beauty & The Beast
Mojo Vision
Disc 2
Reunion (Part 1)
Reunion (Part 2)
Out of the Past (Part 1)
Out of the Past (Part 2)
The Phoenix Saga (Part 1): Sacrifice
The Phoenix Saga (Part 2): The Dark Shroud
The Phoenix Saga (Part 3): Cry of the Banshee
The Phoenix Saga (Part 4): The Starjammers
The Phoenix Saga (Part 5): Child of Light
Both set for release April 28th and retailing at $23.99 US/$29.99 Canadian
source -
TV Shows On DVD
Those episodes seem to be in the same order I have them in on my computer from when I listed the shows I had a couple years ago.