Games have a tendancy to be set a release date, which is inevitably pushed back. This is true for both Metal Gear Solid 4 (which was set for release this year, and pushed back till next year) and GTA4 (which has been pushed from october to next year), among other titles which have been delayed.

Various reasons have come about as to why the games have gotten delayed, (GTA4 being delayed due to issues with the PS3 anyone...), and usually all the developers say is that they would rather ship...

Krunal via www.dallasnews.com »

The Smaller version of E3 came and went, and what we realised was that there were some big name games missing from the event.

In particular there were 7 games that were missing from E3:

1. GTA IV
   
2. Spore
   
3. God of War 3
   
4. Rainbow Six
   
5. Prince of Persia 4
   
6. Peter Jackson's Halo
   
7. Final Fantasy XIII

Krunal via www.gamepro.com »