Alright, i just started a new game with the latest patch. I visited the gray beards for the first time, and learned the second part of fus ro da, and the whirlwind sprint. I did all the dialogue with Arngeir, but he's not offering the dialogue where i ask him if he's located other word walls. I even left and did some other quests and came back, and the SOB still isnt revealing words of power for me to investigate. Any ideas??

You have to return with the Horn before he'll do that.