Dude, nothing else - get them because of their size. And Swoop isn't even the biggest one. He's the smallest one. Grimlock is the tallest, but actual sizewise, Sludge is probably the "biggest." But yeah, these are no joke. They might as well be Commander size. check it - this is the War For Cybertron trilogy (Netflix show) Jetfire standing next to Studio 86 Grimlock.
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To be fair, Jetfire dwarfs Grimlock, but if you haven't seen how big Jetfire is - he is fucking HUGE. Hes nearly a foot tall. That, compared to Grimlock should show you how big he is. He's not as big as the Masterpiece Grimlock, but he's about 4/5 the size.
Seriously - if you can find them, grab em. You wont be disappointed. I never had all the Dinobots as a kid. I had Slag that I found at a garage sale, but that was it. For now - these bots are THE definitive Dinobots not counting MP, at least to me.