BioWare has yet to disclose what the payment model will be for MMORPG Star Wars: The Old Republic. However, new evidence suggests they will use microtransactions, small payments for optional in-game items.

If you sign up for the beta, you may notice a few interesting sentences in the game's terms of services agreement. The section reads as follows:

(H) You acknowledge and agree that all points acquired during the Game program are non-refundable and have no monetary value.

(I) You acknowledge and agree that all items acquired for points during the Game Program are non-refundable and non-tradable.

(J) You acknowledge and agree that BWA reserves the right to add or remove points from your account at any time and without warning.

(K) You acknowledge and agree that BWA reserves the right to change/add/remove points rewarded in the Game store at any time and without warning.

This passage suggests you'll be spending points to buy items at a store. It's not outright stating that you're paying real world money for these items but the phrase "non-refundable" seems to imply that.