You gotta help us a tad... Were you looking to the membership to help you set up a cigar import and distribution complete turnkey operation, or were these more general "kick the tires" kind of questions?

Generally, Here's where you apply for import licensing:

http://www.ttb.gov/ponl/permits-online.shtml

You will also find resources for researching the federal taxes associated with the sale of tobacco in the US

...i'll leave the question of a distribution network in the US for your cigars to the other members, though I know it's not something that can be easily be answered.