Just curious.  If you played the KIA, KID, or Pirc for a while and decided to move on, why did you move on?  What (if anything) did you dislike about these openings?  What did you move to? 

Used to play KIA. Only play it in the odd game here and there now. Theres just better options. Insted i play into main lines. I just think its a sin not to go into Sicilian and French games. How can you learn chess without playing these openings!! Anyway, its ok sometimes i guess. Um, i just think its slow for white and difficult to get an advantage in the opening.

I used to play all of them. I like to play aggressive, even if it cost me a game, I'm not a fan of drawing, even in a simul with a GM. the KIA is just to slow, I'd rather go into the spanish torture, or the sicilian/caro-kann/french mainlines.

Too much disregard for space. Just not enough options and dynamic play.

I adopted these openings after reading Yasser Sierwan's Winning Chess Openings.  I still use them in tournament play because I can usually get out of the opening fairly even regardless of what my opponent throws at me.  That being said, they really don't fit my style and I've been looking for different options.  I prefer more open games and right now am playing with the Danish Gambit after 1.e4 e5 and love the wide open game that often leads to.  As black against 1.e4 I've been experimenting with the Caro-Kann.  I'll be interested to see other responses to this too.

The KID and Pirc give white a very simple game of holding onto the center in a variety of ways. Black, on the other hand, has the difficult job of maneuvering pieces in a cramped position to undermine this solid center. It sometimes becomes a nightmare just to equalize.

The Queen's Indian and Kan/Taimanov are much more simple (from my perspective) and the positional play appeals more to my own preferences.

As for the KIA, I dislike finachettoing the king's bishop so early. The Reti is more flexible, with heavier reliance on the queen's bishop fianchetto. Depending on how black chooses to play, the kingside fianchetto can become somewhat of a target.

I used to play the KID, but found that it gave me very little space.  That factor pained me thru the whole game.  So now I play the Budapest Gambit

I gave up the KID, too much theory to know