Mabuhay! and Welcome to the forum!.
You can't go wrong with starting with Soundwave. He's my first TF ever. (I still have him in good enough condition hehehe) As everyone has said, there has been a lot of reissues of him. There has been the one with the double chest mold. BUt if you want the one akin to what it was in the 80s the look for the Encore Version. Good thing about Encore is that it's also cheap for a reissue. Good luck! Doesn't matter if your collection is small as long as its well loved.
Enjoy the forum. oh you get to access the sales thread when your ranking has gone up. keep interacting and prove that your not some overnighter spark, a troublemaker, or some other negative forumer and the mods do take note of that , pretty soon youll get upgraded in rank to be able to access the sales threads. There has been incidents in the past which is why these precautions have been put in place.
Wanted AM partner Vanguard, Myclones Dirge, G1 Victory Leo, e-hobby Dark scream ( the black version), e-hobby Magnificus
Parts- AM partner Basher-side guns, G1 Actionmaster Elite Windmill's blades[I][B]