Just baseball for newer stuff. I only build sets for Topps (flagship) and Topps Heritage, but I collect lots (too much?) for other Topps sets - A&G, GQ, Archives, Bowman: inserts, minis, other parallels.
I also have a few player collections I have not had chance to load up here yet, so we'll file that under "coming attractions".
I collect vintage for all sports, but at this time, have decided not to do that on TCDB due to condition being a complicating factor.