I switched over to E-Cigs! No more Tar, CO and second hand smoke!
I Vape them up in airports with no problems still too chicken to Vape on planes . After intital costs its even cheaper than real cig's, about $1 for a packs worth. All my non smoking friends let me Vape in their homes.

http://jantyusa.com/

http://www.e-cigarette-forum.com/forum/