I read it again and you seem to want to invest for real. If you are asking for advice on where to buy stocks, you probably haven't done much research on investing in the market to begin with (not a problem!). I'd suggest checking these sites out. They'll answer your questions on where to buy stocks, how to buy single stocks (DRIPS), how to organize your portfolio, etc.
http://www.morningstar.com/Cover/Stocks.html?pgid=hetabstocks
-bottom right hand corner at the bottom of the blue box, click LEARN and there are (after free registration) online tips, classes, workshops, etc on buying stocks, etc.
www.fool.com - the entire site will help you
http://invest-faq.com/cbc/stock-a-basics.html
http://www.directinvesting.com/
and go to the library and pick up the book "Greed is Good" by Jonathan Hoening (last name might be spelled wrong).