I’ve heard this question too many times to stay without telling this amazing unique seo trick / tip.
You may know that doing social bookmarking, forum posting, getting an article to a popular blog, etc. will help getting indexed faster in google.
But, pay attention, no other trick than opening an adwords campaign with your site will make it go into google’s cache faster.
It simply doesn’t matter how much money you put, 1.00$ or 100$, etc.