I have mostly Craftsman tools due to the price and guarantee. If I used tools everyday I would invest in better quality tools. My 1/4" socket set is S-K that my dad gave me 20 years ago. I almost never use my Craftsman 1/4" socket set after using the S-K - its like the difference between driving a Chevy vs. a Mercedes.
My breaker bar is an S-K and my 1/2" torque wrench is a Sears digitorque.
I was trying to justify purchasing air tools but after borrowing a 1/2" air impact wrench that couldn't break my crankshaft bolt loose, I could no longer justify it.
1998 Mercedes E320, 200K Miles
2001 Acura 3.2TL, 178K Miles
1992 Chevy Astro, 205K Miles