You will need to buy the best ultra-premium kit you can find, but it still won't truly compare to this wine. A wine can only be no better than the specific grapes from which it comes.
Get the best kit from RJ Spagnol or Cellar Craft and let it age for 2 or more years. Three years is better. Then you should end up with a really nice wine.
The fact that you made it yourself will make it taste even better.
I just started my eclipse old vine Zinfandel the other night. It's my first high end kit and I can tell the difference between it and the cheaper kits already. Wish I could fast forward a year and change so I can taste it