Google instant is not changed the SEO. It simply change the approche for search engine marketers to how the websites appear in search & with the best way. Given below are some ways how to ensure your ranking good in google :
1/ Keyword in your brand name
2/ Domain Age
4/ Start thinking like searchers
5/ Include Google Suggestions
6/ Locally optimized for generic keywords
7/ Online reputation must clean
This is new strategy for Google Instant.