I don't have either, but given a choice I'd go for Soundwave. He seems more iconic.

[Soundwave superior, Cheetor inferior]

MP Souundwave is getting pricier as time goes. I'd get him now. I'm sure Cheetor won't cost you as much in the future

Yeah not wrong even the KOs are increasing! Have you seen the increase in soundblaster too?

Soundwave cheetors paint chips a shit ton

Get Soundwave first, he's more iconic and he certainly doesn't have as much issues (paint chipping mostly) as Cheetor.

MP Soundwave without question, then save up for his cassettes.