For small gatherings, we usually just send a few quick e-mails. No fuss, no muss!
But for larger parties, we've really come to like using Evite or one of the similar invite-sending websites. We still get a bit of old-school charm when we design and personalize the invite webpage, plus we like that the site will track responses and send out reminders for us. (If you're not familiar with it, check out the Evite.com webpage!)
We've received several invites through Facebook this year, but to be honest, these feel a bit impersonal to us. We miss the charm and excitement that even the electronic e-vites seem to generate. We were latecomers to the Facebook phenomenon, though, so this could definitely be just us!
What's your preferred way of inviting people to your shindig, holiday or otherwise? Why?