Good news ASF Soldier, if you didn't already pre-ordered, here is a good another reason.
Extract from the official website: http://www.rgtr.com/community/contests_promotions/presell_promotion.html
AFS recruits who pre-order Richard Garriott’s Tabula Rasa and play during the beta are eligible to receive 10 days in addition to their first month of subscription beyond the time included with the full retail box activation*.
To receive your reward simply:
-Play the Tabula Rasa Beta.
-Have a level 15 or higher character on our beta server by 11:59pm (Central Time) on Friday, October 12, 2007.
-Purchase the full retail version of Tabula Rasa.
-Pay for a minimum of one month of subscription or activate with a valid game time card by February 15, 2008 in order to be eligible for this offer.
Check the link for more details.