Upgrades that are sensible

I'm curious as to what all I should upgrade for power now (Engine, Headers, Intake, Exhaust) but be compatable with a Forced Induction (most likely turbo) in the future. Prefer a response from someone who has upgraded a 2000 eclipse already

Read the stickys.
IMHO what I tell everyone is to sell it and get something worth dropping money into.
The car is a Chrysler Sebring /Dodge Stratus with different body panels.