Would Saturday 7th be too busy? If not, it could be a good day - maybe choose a venue that's slightly touristy in Covent Garden for affordable drinks and nibbles at not-too-late o'clock, so if anyone overhears our conversations they'll hopefully think we're all from out of town?

Of course, if people fancy being fancy, we could go for ridiculously expensive nibbles and cocktails somewhere quieter? I know a few cool/discreet places in Fitzrovia, although I have to admit I don't usually pay for myself when eating or drinking in them so can't promise not to have a heart attack when the bill comes!