Not necesarily for 1.3, but eventually:
Goku - SSJ2, SSJ3
Vegeta - USSJ Vegeta, SSJ2 (Majin)
Gohan - SSJ2, Ascended (hopfully they change the model to just adult form)
Trunks - USSJ Trunks (massive muscles, white eyes), SSJ2 Trunks
Piccolo - Fusion w/ Nail, Fusion w/ Kame
Freeza - Form 3...