Hmm... Here's a few that I've watched on the top of my head:
Hellsing OVA
Deathnote
Full Metal Alchemist
DragonBall Z
Moblie Suit Gundam (UC line): 0079, 08th MS Team, War in Pocket, Stardust Memory, Zeta, Unicorn, F91
Mobile Suit Gundam (Non-UC): SEED, SEED Destiny, SEED Stargazer, Wing, Endless Waltz, 00, Awakening of the Trailblazer
andd.... I'm all caught up on my Pokemon Seasons (Currently on 16th season) + Movies (15 of them, I think).
Currently working on Attack on Titan and Gundam ZZ.
I kinda like Gundam... A little bit... I strongly recommend Gundam 08th MS Team and War in Pocket as they have my favorite story-line. No *****y kids in them either. About six episodes each.
Gundam Unicorn will just blow your mind. Six of the seven 1-hour long episodes are out.