Here we go then, having just bought one.
It was a MK Sentry 16 way split load CU, 12 useable after the isolator and RCD are fitted. It came with
1x 100A double pole isolator
1x 80a/30ma RCD
1x 40A MCB
5x 32A MCB
2x 16A MCB
2x 6A MCB
I was expecting to pay no more than £100-150 max...