Well, I think anyone can guess my favorite timeline by now...
-White Base (Amuro/Char Saga, we're jumping onto it!)
-Red Comet (Because Char is win)
-Blue Destiny (I like the machine)
-Green Wyatt (He's in here for random. Deserves some mention at times, its not all Revil and Tianem)
-Black Tri-Stars (JET STREAM ATTACK! meme in Manga and Anime worldwide)
Kidou Sentai Gundaranger!