(click link above) -- Cnet 1/19/05
If you read this article just posted today by Cnet, 2 chipset versions are released and the 2nd is for a dedicated video solution like the new ATI X600 dedicated video.
So, yes, if are a gamer or have more advanced video needs you should still get dedicated video. However, the integrated video has been improved with the new Alviso chipset to the point that less people will need dedicated video than before.
However, as before, you have to get dedicated video upfront if you want it unlike a desktop ........

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic