24) Autotracing tips
If you decide to autotrace, even if you know the angels will weep for you, remember these four tips.
http://briem.ismennt.is/2/2.3.2a/2.3.2.03.auto.tips.htm

23) Turn a bitmap into line art or stencil with Photoshop CS
Question and answer regarding how to turn bitmap drawings into line art or line art into stencils.
http://photoshop911.typepad.com/help/...

22) Convert bitmap to vector - Asylum FAQ
Explains converting bitmap images into vector graphics.
http://www.ozoneasylum.com/5794

21) Xara Bitmap Tracer
The first article explains why a user shouldn't use the Bitmap Tracer and shows another way to make a vector copy of a logo using trace. The second article traces a vector object from a bitmap and walks through the process of tracing the bitmap for better results.
http://www.xaraxone.com/...
http://www.xaraxone.com/...

20) HiJaak
Graphics utility that comes with the ability to improve the quality of converted graphics through its raster, vector and 3D engines. Price: USD $89.95 (Standard), $119.95 (Pro)
http://www.hallogram.com/hijaakpro/