Yes I have. I've built two of them. The first I sold to a friend at our LUG for the cost of the kit. (They are worth the money and I was happy to solder up another.)

https://media.gunmonkeynet.net/u/nybill/m/esr-tester/

I even started recording an HPR on the unit. But, life got in the way. So yep, get one, build it up, and give us a review!  ;)