Congrats on your taking action. It puts you ahead of 90% of the people who read and don't execute.
A few questions....
*Is your project for fun or for profit?
If the latter, what pain does it alleviate, whom is it targeted towards and before you created it, was there any indication they wanted a solution strong enough to pay someone for the answer
(to elucidate, skip to 1:03 http://www.youtube.com/watch?v=K9m9vPAlb_0&feature=relat... )