Errr no. The only boost you get is in Strength with the sword.
SSj Gohan Spd: 316
SSj Goku Spd: 280
SSj Vegeta Spd: 280
SSj Trunks Spd: 250
As you can see, Trunks is the slowest character (With Piccolo)
Now beams:
Goku: KiBlast, Generic Beam, Kamehameha, Kame Torpedos, Spirit...