Smart Lipo is a surgical procedure meant to remove stubborn disproportional fat. Liposonix is a non-surgical way to remove small pockets of fat (no less than 1 inch). The procedure takes one hour and there is no downtime. Liposonix is not for everyone and is not a replacement for well done...
Medically speaking, smoking is never a healthy idea. For patients who do smoke, I typically recommend stopping at least 30 days before a procedure and staying off cigarettes for 30 days after. It can be difficult but it will improve your healing time and results.
The magic is not in the wand but in the magician. The scarring is very minimal in all modalities if used correctly. There is a lot of marketing hype but in the end it comes down to choosing the procedure that gets the results you desire. Consider traditional Liposuction as well and discuss...