Back then I was a BRIEF user but moved to Boxer because syntax highlight appealed to me. Since then I can't think of going through a single work day without its help. Its Power Columns alone is worth its price, not to mention the many times it saved my life when dealing with insanely huge SQL scripts. Also, macro language is far easier and simpler to code (code templates even easier to write) than in my programming language's IDE. And I could go on and on...