The short answer to your question is that all Liposuction procedures are variations of the same basic idea: the area receiving Lipo is filled with "tumescent" fluid which also numbs that area after which the surgeon will insert a small cannula to remove the fat.
Vaser and laser liposuction...
Laser liposuction differs from traditional liposuction in two main ways. First, the laser energy is used to "melt" the fat. This turns the fat into a liquid and makes it easier to aspirate from the surrounding tissue, as well as ensuring a smooth, even result. This is a distinct benefit in areas...
Morpheus is probably your best option. Be sure to get it done under local anesthesia with iv sedation so you can get a good results and it is painless. Don't try to get away with that worthless numbing cream only.