We covered the MR thing a few months back on here.
An annual inspection is an annual inspection, not a 100 hourly, but of course they can be done at the same time.
If you have 2 hours on the VDO for the last year, you still get an annual inspection.
If you do 300 hours in one year, you are still up for ONE annual inspection, but potentially 6 "services" or oil changes.