Top - composite to RGB converter. Middle - Atari 600XL.
Bottom right - replacement switching power supply.

The additional control board. Has a 68705 MCU, audio amp, timer, etc.

My hack-job Atari 800 cartridge reader.

My original cart modified to take a pair of 2764's.

The other stuff I got with the cabinet.

Al let me borrow his Astro Chase...

...and Bristles carts to dump.

Brian Clark sent a picture of his Flip and Flop cart.

He was lucky and got all four carts with his cabinet!