Did this mod to the indicators and neutral light over lunch today - ~30 mins from start to finish. Got my LEDs from crazyleds as linked to previously in this thread - much better visibility for the indicators for <£3.00 - job's a good 'un!
You do need to test the LEDs are in the right way round before refitting everything. My neutral was OK but both indicators were the wrong way round, then cocked up and only fixed one - but did not add much time!
cheers
Markie