New flicks out this week! Shaft (Preview) Here comes another Shaft movie, and this one is bound to be a big hit with hardcore fans. The original Shaft from the early 1970's was very different than the movies made since, but that's OK. Things reinvent themselves, and this has into a "buddy" action series. Now we have three generations to deal with. Samuel L. Jackson, and the original Shaft, Richard Roundtree lead a…