I've had three total power losses while in the driving seat and another in the passenger seat.
Of those two resulted in restarts (one fuel pump failure recovered by switching on the electric boost pump, the other was an empty tank which I switched over from the passenger seat at 300' agl).
The two that resulted in forced landings both had windmilling props that stopped turning only as speed was reduced on final approach.
The military style high key, low key constant aspect technique is the one I chose with the best chance of success.
You'll never get an ideal choice of field in the right location especially at typical VFR cruising altitudes in the UK, you will probably forget some of the checks and drills, it will probably be 5 to 10 seconds for you to acknowlege the situation before you do anything atall, the rate of descent will be a bit more than you're expecting, but good training will give you a pretty good chance of a successful outcome.