The early access period is depends on the date and order in which players have redeemed thier pre-order code, giving players up to 7 dayes early access. Pre-order codes are still available and are available with all editions of the game.
"Star Wars: The Old Republic is a go for launch on December 20," said Dr. Greg Zeschuk, Co-Founder of BioWare and General Manager of the BioWare label's MMO Business Unit. "We are extremely humbled by the surge of players who have joined us on this journey and participated in the Beta Weekend. Their participation has given us the opportunity to stress test the game and allowed us to tune the experience, ensuring that we deliver the smoothest possible MMO launch later this month."
The press release also stated a European release date of December 15th, which is 5 days before the rest of the world release of December 20th.
30 days of gametime is included with every new copy of the game, after that it costs £8.99 per month, £25.17 for three months (£8.39 per month) or £46.14 for six months (£7.69 per month).