In choosing type for your logo it is best to use one or two different typefaces. The first typeface would be more ordinary and the second can be a bit more decorative. Mixing two decorative typefaces would clash, as would two ordinary typefaces. You need that ying and yang of type which in all reality would complement each other nicely.
You also need to take the target audience into consideration. A wedding planner might have a script with loopy curves (like English Roundhand) for the main typeface; where as a general contractor might choose typeface that is more blocky (like Impact). Whichever direction you take remember your audience needs to be able to read it so don’t go too crazy and risk losing your identity.
Check out this link http://www.smashingmagazine.com/2007/08/08/80-beautiful-fonts-typefaces-for-professional-design/ it actually shows you a variety of typefaces so you can see the differences for yourself.