Logo for Leadership Development Training Company

I am in need of a new logo design for my leadership development training company. I am looking for an elegant, professional, fun design which would be appealing to business professionals with incomes of $80K+ (USD). I would like at least five logo options to choose from. When completed, the finished product must be delivered in high resolution in all formats, including JPEG, TIFF, EPS, GIF, AI, PDF, and BMP. I will also need both a color and black & white version of the final logo. The final logo should be in at least the following formats i.e. (GIF and JPG at 72dpi for web), vector files which can easily be resized & used for printing purposes, high resolution image *.TIFF, *.EPS in RGB. Other files include *.PSD and *.BMP bitmap images. Logo design provided for web & print usage should all be 300 DPI (.GIF, .JPG, .AI, .EPS and .TIFF). Should be provided in different sizes, i.e. large, medium and small. Greyscale Version Required for Faxes etc. The logo must be 100% unique and use no pictures, clip-art etc. and the source files and copyright will belong to me after payment for the winning logo. Please bid honestly. My budget is $50.