A recent survey shows that e greetings are becoming popular by the day.
And 123greeting is one such site which gives a lot of choices for greetings.
Greetings for all ocassions can be found here and the facility to send them at a future date is also something cool. just go to the site choose which greeting you have to send and to whom and when and then forget about it as your greeting will be deliverd to the concerned person on the specified date. But if you are sending the card to some one in USA then add one day to the day shown.