Hey!
Yeah, the Rocker taste doesn't last that long, but i think coffee is the best one of them. I tried all of them and the black one (citrus?) is really gross! But the golden Rocker is really good for a cup of coffee in the afternoon!
I think Göteborgs Rapé has got an interesting flavour, i always order three types of snus: Skruf (standard, but cranberry's also nice!), Göteborgs Rapé (relly interesting and refreshing taste!) and Probe whiskey (i love that taste!). I only take portion snus. Catch eucalyptus has an interesting taste, but the general "Catch-taste" is a bit too mild for me. I had the licorice portions a lot, because i like licorice a lot.
I think ive tried nealry every portion snus thats on sale, and i think Rocker and Mocca are the worst! You should try Granit Snus, its also very interesting and kind of refreshing (like Göteborg)!