I've got 2 DiMarzio Tone Zone and a Pro Track 2's in my Marilyn Strat. My Flip-Flip Strat has a Tone Zone S. I'm very happy with each pickup for I want them to do for me.
Their customer support is outstanding also. I had one pickup mysteriously die on me a few months ago after 2 years of use. I called DiMarzio and they told me to just ship them the old one. They didn't ask for a reciept or anything. In 4 days with no questions asked, I got a brand new pickup in the mail.
DiMarzio stands by their products and will not hesitate to purchase DiMarzio pickups again in the future.
"It's funny the way most people love the dead. Once you are dead, you are made for life." - Jimi Hendrix