I'm a bit worried by statements like: "I'll just keep going for 5/10mins and use a higher AA". If you weren't the designer of the EO procedure, how do you know what effect this will have on your flightpath?
On many aircraft the difference between TOGA and CON thrust is quite small but the performance difference between T/O config. and clean is substantial, especially higher up. The significant extra drag vs. the small increase in power could take you close to or below obstacle clearance altitudes...
I can see the point in using the standard AA and keeping the revs up for the full 5-10mins but as soon as you move the AA higher, you're going into uncharted territory, especially when close to limiting weights.