*cracks knuckles* Going by first appearance and in chronological order:
0079 Gundam, Brave Raideen, Dunbine, Zeorymer, G Gundam, Gundam 00, King Gainer, Zambot 3, God Mars, Dai-Guard, SRW The Inspector, ?, Gundam SEED, Grendizer, Gaiking Legend of Daiku Maryu, Giant Robo, Dancouga, Brygar, Combattler V, Nadesico Prince of Darkness, ?, ?, Evangelion, RahXephon, Full Metal Panic, Eureka Seven, Xabungle, Voltes V, Getter Robo, Shin Mazinger Impact, Dragonar, Gravion, ?, ?, Code Geass, Gundam SEED Astray, Godannar, ACE R's Crossbone Gundam, Mazinger Z, Aquarion, God Sigma, ?, Daltanious, Macross: DYRL, ?, 08th MS Team, Gundam Wing, Macross Plus, SEED Destiny Stargazer, Jushin Liger, Gundam 0080, Zeta Gundam (compilation version), SPT Layzner, Steel Jeeg, ?, Shin Getter Robo vs. Neo Getter Robo, Guren Lagann, Tekkaman Blade, Ryu Knight, Nadesico, Turn A Gundam, Orguss, Dunbine Tales of Neo Byston Well, Steel God Jeeg, Escaflowne, Virtual On, Macross Frontier, F91 Gundam, Susainger, Gunigar? (I know it's J9 part 3, name I forget specifically), VOTOMS Pailsen Files, VOTOMS Roots of Ambition, VOTOMS, Full Metal Panic Fumoffu, Full Metal Panic The Second Raid, DanGaiOh, ?, ?, Daimos, Big O, Linebarrels of Iron, Gundam 0083, Macross Zero, ?, Zoids Genesis, Gundam SEED Destiny, Dancouga Nova, ?, Mazinkaiser vs. Great General of Darkness, Golion, Iczer 3, GaoGaiGar, New Getter Robo, ?, Iczer 1, Tokibage (I think), Gundam X, Fafner, Gun X Sword, ?, ZZ Gundam, Macross 7, L. Gaim, ?, Dendoh, Goshogun, Victory Gundam, Daiku Maryu Gaiking, Detonator Orgun, ?, Baldios, ? (either God Bless or Blazing Epilogue Dancouga), Gundam Wing Endless Waltz, Betterman, Daioja (I think), Brain Powerd, Daitarn 3, Trider G7, Raijin-Oh, Rebuild of Evangelion 2.0, Gravion Zwei, Ideon, Gunbuster, GaoGaiGar FINAL, Daiteioh, Char's Counterattack, Getter Robo Armageddon, Getter Robo G, Mazinkaiser, Great Mazinger, and Mazinger Z vs. Devilman.
With the sole exceptions of God Sigma, the J9 trilogy, Tokibage, Dendoh, Tekkaman Blade, Golion, Daioja, Trider G7, Raijin-Oh, Daltanious, the original Gaiking, and Jushin Liger I have seen everything in that list that is not a question mark. Not counting Virtual On or ACE R since they're games and I still need to watch the last eight episodes of Xabungle, but my point still stands.