my top dash cracked about 3 years ago, I bought a new one off of ebay from a 02, it was a little darker shade of gray, but after I installed it, you couldnt tell the difference.
To change it out, just pull out the broken pieces then you will see how it mounts, there are these little velcro pads, pull those off. You are going to have to remove your pillar moldings, if its a Ttop its easy, a little more work if its a hard top. Then just set down the new dash top, push it down so the velcro pads stick together and Voila
then my actual dash cracked, right in between the center A/C ducts
I got a dash from a 00, that was the same exact color as the original. That was a little hard to change out