make a video about your product, and psot it up on youtube, myspace, google video, and other video sites. That should get you some sales, and its free!
You need to write a lot more articles and you need to mass distribute them. You will not get any results unless you spend some time and effort. I suggest you purchase an Article Marketer account and use them for mass distribution. Spend the saved time writing more articles. The more automated you get, the better/faster results you will see results.
for $56 open a new site with yahoo that will give you $130.00 in ppc use key words that discribe your product right your add so when they click through to your landing page they find what there looking for you will do ok
All people here need the same items : traffic.....You can use adword to promote your site if you don't have a lot of time to do 'manual' promotion...he..he..
2, 3 articles don't help much. If you keep writing articles, your name will be recognized well and you'll be considered an expert in your niche. Frequency and constancy is the key. Good luck!