gen 3 vs gen 4

I heard somewhere recently that the Gen 3's will be shipping with the bumped trigger bar. Has anyone else heard that? Or has anyone bought one recently and know?

I am currently looking at getting my first handgun, and I think it's going to be a G19. I have shot both a Gen 3 and a Gen 4. One of the things that I noticed was that I liked the grip much more on the Gen 3 version. I understand that the Gen 4 has internal improvements (and I also want to buy a...