To do list.
1. Pick a price point.
2. Identify each and every cable at or below that point.
3. Acquire (buy, beg, borrow, steal) examples of each.
4. Perform extensive comparative listening tests.
5. Months later, exhausted, announce to the world your findings and ratings.
6. Explain why everyone else under the sun, including those who have heard some of those cables and many who have not, disagree completely with your findings.
7. Repeat.