Prepare the pasta according to package directions. Drain and rinse. Dump into a medium serving bowl and toss with olive oil, herbs, and salt.
In a medium mixing bowl, add the crab meat, avocado, tomatoes, cucumbers, and a big pinch of salt. Drizzle in about half of the vinaigrette and toss gently to mix.
Add the crab mixture to the pasta and toss gently. Drizzle the remaining dressing over the top, and sprinkle on the goat cheese.