You can, they are in progress of making an improved UX for the t-deck.  It will be very slick.  Depending on your dev skills, you can start playing with early versions today.  It just wont be available in the easy to use web firmware flasher.  Not sure when it will be delivered.  For now, it is very similar to UX of the other nodes with a keyboard attached and you can still Bluetooth in via phone etc.