It's all about backlinks, the more you have (specially from trusted websites with high pr) the more Google bot will visit your website
Content will help, unique and quality content will helps you to get indexed. If you want to be indexed fast, submit your article to digg or ezine, that's the fastest way
Wow - common question. here's the reply: http://forums.digitalpoint.com/showthread.php?p=10906471#post10906471 Dave