@Elenion
Such a hard judgement, you're actually tearing me apart, and I couldn't decide the order for an hour. So I'll go with Kaladin, Adolin, Shallan, Dalinar.
No brainer for Kaladin, I can relate to him in many ways.
Adolin is the image of his father and, (except the final act, but both Kaladin and Dalinar wouldn't approve), but the single fact that he's following his father even though he was against it so many times, the fact that he accepted the weirdness of Kaladin as something good.
I absolutely LOVED shallan's backstory, making her a Radiant way before anyone else. But I guess it's easier for a lightweaver to progress, as they don't need oaths and no one in that age could actually grasp them, but she at the very least had the first oath spoken, or it wasn't needed to 'forget' the truth.
Dalinar, I really have to read his backstory in oathkeeper, "Coincidentally, that is the exact value of a Shardblade.", He's an old tiger, he doesn't need my approval and it won't shake him to be last.
@Darkness Ascendant
I am a good boy and am told not to get cookies