My list. Far from complete and I certainly like to add when I get more ideas.
For lights:
Panther (Important Kurita mech)
Wolfhound (the counter Panther mech)
For Mediums
Vindicator (essential Liao mech)
Griffin (common medium mech, Dougram unseen, so its a good match to the Shadowhawk)
Wolverine (another common medium mech and Unseen from Dougram. Both Griffin and Wolverine would be good for a Project Phoenix phase 2)
The Griffin and the Wolverine are a must --- their Unseen forms comes from the same anime show that had the original designs for the Shadowhawk, the Thunderbolt and the Battlemaster. It is only right that they rejoin their brothers in MWO.
Hatchetman (also another common medium mech)
Heavies
I am not holding my breath for the Rifleman and the Warhammer though. The Rifleman being a near duplicate of the Jagermech but loses 5 tons, also poses another problem for its functional redundancy. If the Warhammer comes to MWO, likely to be based closer to the MWDA figure, which is also the basis for the original Project Phoenix and the accepted image used in the TRO.
The Archer is another Macross related unseen I would like to see but I am not holding my breath either.
Marauder
Warhammer and Rifleman
Rifleman
The Archer and the Crusader never made it to the DA sets, and for that I have never seen them reimagined in Project Phoenix guise.
PGI took design elements from the MWDA Battlemaster, whose design is canonized into the original Project Phoenix image of the Battlemaster, and made it their own. Note the shoulder pad and threads that is not present in the original Battlemaster design from Dougram.
The MWDA Battlemaster
For heavies, I also want to add the Black Knight. That one is already worth its own expansion pack by its own name in Mechwarrior 4.
Now for assaults.
Certainly the Zeus. Long time ago, there was the Mechwarrior 4 Inner Sphere pack. It featured four mechs to add to your MW4 Vengeance game.
Three of the mechs in the pack are now honored in MWO. But the most popular one in the pack --- the Zeus --- remains missing. MWO without the Zeus is like staring in mirror with a big gap in your teeth.
And of course, people want the Banshee, a 95 ton mech that runs at 64kph.
Edited by Anjian, 13 July 2013 - 09:34 PM.