First thing to go in was the HVAC panel, screws in with 4 screws and has three cables to connect up. Looks like this when it all works properly.
Next was the new tombstone, old one was very scratched up so it was replaced. Here it is with the hazard light and din bar from the old one bolted up.
New headunit acquired, wanted something without a CD player that had adjustable led colours to match the interior lighting. This Kenwood unit had everything I was after and it's was quite cheap ($115) with a recent eBay sale.
These multimedia units are tiny compared to the old CD units and weigh about 1/3 as much.
Bolt the tombstone into the car and clip in the headunit cage.
Next connect up the antenna cable, included microphone and the iso to Kenwood harness I purchased along with the unit.
Next slide/clip in the unit along with a new single din box below it, power it up and set everything up.
All finished and looking super clean.