I've got the following in my working A4000D:
1) GVP060 accelerator w/128 megs of RAM & a SCSI2 cable out the back
2) Picasso-IV (video connector unbroken) w/the Concierto, Pablo, & Paloma daughter modules
3) Deneb USB Zorro card with the 2 USB ports edge connector dangling out the back (due to the P-IV needing 2 edge connectors) & an all-in-one multicard reader/writer (including 1 USB port) installed underneath the top floppy disk
4) Vortex Golden Gate 486SLC2 with the FDC & math co-processor chips plugged into their respective sockets + 16 megs of RAM + the Monitor Master dangling in the back
5) FastATA 4000 MK-??
6) unknown PATA HDD
7) DVD writer with DVD-ROM capabilities
MP3@C64 card on the DENEB's clockport with its output going to the internal L+R leads on the DVD writer
9) Catweasel MK2 Anniversary Edition on the IDE line dangling out the left side.
10)ISA 10 MbS Ethernet card for use with the Vortex Golden Gate 486SLC2