Okay, fine, so here's the other Autobot Recordicons who aren't Sunder. Sunder's definitely the prettiest, but there's all these other guys, too, y'know? Like Eject and Rewind, who are retools of Frenzy and Rumble and operate exactly like they do. Drop 'em, then pull out the feet and rotate down the arms. Getting them back into data disk mode is moderately difficult. And there's Steeljaw, who comes with Blaster, who's Ravage with a new head. He's as awful as Ravage is, unsurprisingly. Drop him, and then do a bunch of other transforming, and then cry trying to get him back into data disk mode, because it's that tedious.
But the real star of every single damn one of these, Decepticons included, is Ramhorn. He's his own new mold, even, but I would be okay if they made him into a buncha other dudes, because he's great. So get this: You drop him, and he not only auto-transforms all the way with no further prodding needed, but he also bounces up off the ground and lands on his feet! Like a cat, sort of! So that puts him one up on Laserbeak/Buzzsaw/Ratbat in that he has feet to land on and lands on them. And he's simple to put back into data disk mode. He is the champ. He is perfection. He's like what all these other guys shoulda been, somehow!
He's not as efficient with his mass as the other guys, and so he's much smaller in rhino mode than everyone else is in their respective modes. This is another blessing in disguise because since the perimeter of his data disk mode is mostly empty (he's not a good disk), he squeezes out of Blaster a little better. There's less stuff to get caught. He still doesn't squeeze out great, but he squeezes out better.
So Ramhorn's the best data disk guy. Sunder's the best-colored.