I bought one $25 logo for my emerging True Films website. Its style (identical to Cool Tools) is pretty minimal, an approach which is actually hard to design for. Here is the logo they sent me via email a a few days later.
I paid $10 for a revision, requesting even more simplicity, and a few hours later they provided this.
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects