A couple of the features you're used to in Traffic Travis v3 have changed locations in Traffic Travis v4:
- The Keyword Finder has moved to 'Research' > 'Keywords'
- The Keyword Sorter is now done using filters in 'Research' > 'Keywords'
- The 'Top Sites for Keywords' is now under 'SEO' > 'Competition'
- The 'Backlinks to Site' tool is now under 'SEO' > 'Backlinks'
- The SEO Analysis tool is now under 'Research' > 'SEO Analysis'
- The Page Analysis tool is now under 'My Site'
- The PPC Analysis tool is now under 'PPC' > 'Adwords Competition'