Here are some custom reports that will get you started. It's important you make sure the goal being tracked in the report coincides with the goals we setup earlier.

1. Browser Type Report - A look at browser type of visitors to your site.
2. Conversions/Landing Page Report - Landing pages and their overall performance.
3. The MASTER CONVERSION REPORT - This report offers a comprehensive drill down of your conversions and conversion rates per traffic source. Drill down into specific mediums and analyze goals and e-commerce activity.
4. Geographic Distribution of Visits Report - Take a look at the performance in different geographic regions.
5. Time of day trends report - Look at website activity during different hours of the day.
6. Content Efficiency Analysis Report - A great report for doubling down on great content.
7. Keyword Analysis Report - For SEO make sure that your optimization efforts are working as intended. Is the right keyword pointing to the right page?
8. Link Analysis Report- What websites are sending you the best traffic? Find out with this report.

You'll get a better understanding for how I made these by looking at how they are built. Edit the custom report and tweak things to get a better sense of how you can adapt the report to your specific needs.