I bought a purple handled Ken Onion Leek just today- and gave it to my wife for her birthday :) She was very happy (she was also gratified to see the pricetags showing that I got it at $30 savings).
Kershaw has great customer service too.
I have two Leeks and the torsion spring in each eventually needed replacing. I visited the Kershaw site hoping to buy replacement springs and discovered they replace them free. I think I just filled out an online form...and the new ones arrived in the mail.
I also snapped the tip off of my black one (doing something completely stupid). The website gave info on sending it in for repair. I sent it in with a note saying that it was my fault, and I’d be glad to pay for a new blade. Week and half later, it was back with a new blade at no charge (cost me $5 to mail it to them). They even replaced the blade lock mechanism that I’d taken out.