Cam & head upgrade 360 mag

I can't afford a stroker right now. But maybe if I just paid to have the gears done and then left the engine alone and saved up I could have enough for a stroker in about a year to a year and a half.
I'm already getting gears, that's a must for me right now, I wouldn't mind buying a converter if I needed one with a higher stall.
I don't want to make this a high rpm screamer, but I would like to get in the neighborhood of 400 hp with it.
I know the torque is very good on this engine and is most likely around 400 ft lbs right now, it's advertised at 385 ft lbs.