Frequently getting the question if the horizontal & vertical handles I use are better. Since I am working with these handles daily I noticed it works way faster as just doing it random. As the source will look better it will not make the vector better itself.
If you want more information on this beziers thing, check out this article by @dvclm: http://theagsc.com/community/tutorials/so-whats-the-big-deal-with-horizontal-vertical-bezier-handles-anyway