Burning a lot of oil

[Gs dewd]

sounds like worn rings. blu-ish tinted smoke on takeoff would confirm burning oil under load. it should do it whether the car is hot or cold. if it's only smoking when hot, that would lead more towards oil dripping on something that's heated up. if it's dark black smoke it's running rich. white, sweet smelling smoke would be a head gasket IIRC.

i believe worn valve seals would be smoke primarily on startup and under engine braking (someone correct me if i'm wrong).

it's not the end of the world, i'm sure you want the car perfect but if it is internal, as long as you keep the oil topped off you can just keep driving it and having fun. down the line a re-ring will be necessary though, if that is what's doing it.

You are correct worn vavle seals will cause smoke on startup after the car has sat for a littles while or longer. Smoking under accel or general running would be rings unless you have a serioursly effed up pvc system and your drawing oil in there.