Valve has announced that the first batch of Consoles Steam Deck will begin to be sent from next February 25. That is: This is the date on which Steam will contact the users who have booked the first units of your laptop. The consoles will be sent on February 28. As explained by the official post, customers will have 3 days (72 hours) to make the purchase from the date on which they receive the email to start the order. After that period, the reservation will be given to the following person in The tail. Valve also points out that it is only possible to buy the version of the Steam Deck that was reserved at the time; That is, it will not be possible to change to a better model (or worse) than it was chosen. You can check a list of all available games with the Valve laptop on this link.