Christmas Lights Dilemma

I was out washing the car this morning. Aileen next door shouted over "Already this year?" - so I offered to hold her ladder while she fell of it. The neighbours are putting up christmas lights. Both sides now have pretty, flickering displays. The only lights we have are the ones which show through when the curtains aren't closed properly.

Anyhoo, the question is do I join the throng and add to the light pollution, or do I maintain my lofty disdain for such frippery - a stance which has been described as "humbug". A couple of years ago I managed a very poor display of old stock, which totally failed to set the neighbourhood alight, and so I'm nervous about making the same mistake again. Perhaps I'll see if anyone at the university has any spare lasers....