Modesty will get you put back on the shelf Matt, a tad of judicious horn blowing can be beneficial.
If it's any consolation, every time I've had to write a blurb for a bio on myself, I've given up in absolute frustration after the 10th or 12th attempt. Fortunately, I have friends that are more creative and less judgemental than yours truly and apparently so do you so relax and enjoy.
Tor