Google Adwords, etc

It is just proven that.. google be more successful in this industry.. and it also highly depend on the quality of your site.. and how well are you able to attract visitors.. and make sure they will come back.. If you can make such a wonderfull site.. word of mouth is enough and better than any adwords thingy.. btw back to the point..

Google AdWords is a quick and simple way to advertise on Google, regardless of your budget. AdWords ads are displayed along with search results on Google, as well as on search and content sites in the growing Google Network, including AOL, EarthLink, HowStuffWorks, & Blogger. With searches on Google and page views on the Google Network each day, your Google AdWords ads reach a vast audience.
When you create an AdWords keyword-targeted ad, you choose keywords for which your ad will appear and specify the maximum amount you're willing to pay for each click. You only pay when someone clicks on your ad. To save you even more money, our AdWords Discounter automatically reduces the actual CPC you pay to the lowest cost needed to maintain your ad's position.
When you create an AdWords site-targeted ad, you choose the exact Google Network content sites where your ad will run and specify the maximum amount you're willing to pay for each thousand page views on that site. You pay whenever someone views your ad. As with keyword-targeted ads, the AdWords Discounter automatically reduces the actual CPM you pay to the lowest cost needed for your ad to win the placement on that page.
There's no minimum monthly charge with AdWords -- just a nominal activation fee. You can choose from a variety of ad formats, including text, image, and video ads, and easily track of your ad performance using the reports in your online account Control Center.

Well if you want to promote your sites in just an hour try pay per click, Your sites can gain more traffic.

I'd spend some time with adwords before you venture onto other products!