Picard proves that his clone doesn't know everything about what he's willing to do, as he flies the Enterprise straight into the enemy ship.
Then, with the transporters offline, Data goes over to the enemy ship by jumping through the hole in the hull out into space to the other ship. Where he then dies, also awesomely.
Let's face it, with the odd exception, Data in the 'Trek movies was just one big, constant Crowning Moment of Awesome.
Shinzon, during his final battle with Picard. Picard impales Shinzon on a broken pole. Shinzon then pulls himself further along the pole he's impaled on towards Picard, to grasp his shoulders and tell him that he was happy to die along with him ("Our destinies complete.")
Troi gets one when she takes revenge on the Viceroy for his previous Mind Rape of her by using their Psychic Link to pinpoint his location - and therefore, that of the cloaked Scimitar - so they know what to target.
