If you want as close of a hit to a normal cig, then you're going to want to get something with Sub-Ohm capability and most likely a drip style RDA. There are only a few tanks out there that can handle serious power. The Horizon Arctic, and their newest the Phantom -
Horizon Phantom Sub-Ohm Tank
This is my current setup:
Mod -
Black IPV3 Li V2 165 Watt Temperature Control Box Mod by Pioneer4you Greenleaf
RDA -
BAAL RDA by El Diablo Philippines – Vapor Jedi E-Cigs Eliquid And Accessories
24G Nichrome wrapped with 32G Kanthal - .3 Ohm Clapton Coil