Party in October?

It seems about time for me to throw some kind of a party. Late-night consultation with my housemate Cristina narrows us down to the middle of October, i.e.:

- Friday 7/10
- Saturday 8/10
- Friday 14/10
- Saturday 15/10

Now would be a great time to tell me about clashes, holidays, bad omens and the like. Which dates could you manage, were you so inclined?

[this is in London, Wood Green, around here]