A good option is the stylish
D-Box 1200 tower system. It is supplied ready to take the A1200 motherboard with all the cut-outs and motherboard mounts.
It also comes complete with a keyboard adapter and floppy/CD drive facias as well.
For future expansion, it can be used with the
Mediator PCI busboard range (for network, graphics, sound and TV cards) and forthcoming busboards from the manufacturer.