Hmmm A500 Upgrade.
There have been a number of 68030 accelerators, but i`m sure I remember seeing a GVP 68040 one years and years ago.
2M Chip Ram
? Fast Ram (I`m not sure if accelerators can take it past 8.
3.1 ROMS
IDE\SCSI
HDD, CDROM, etc.
Zorro 2 slots (Bodega Bay?) - Hence all manner of Zorro 2 Cards