Ok, If you're just watching LOST season 3 for the first time on dvd or re-runs or something, stop reading now.
Well, we don't see much of Charlie (or "Chaaalay" as Claire would say) on the show these days except for his occasional posthumous conversation with Hurley. What's up with that, by the way? At any rate, I really like how his character has progressed and grown, and I think Charlie has probably had the greatest death in the show thus far. If I had to go out, I'd hope it was some way like that.
Anyway, I doubt Hurley is done with the 'visions', so I'm betting we'll see more of Charlie.
Update: As per some some suggestions, here's another variation of Charlie -