I can understand if people are angry about missing online mode, but think about this for a minute.
PD says technical difficulties are what caused it to be cut out of this release. There are sources saying an online release will come out later.
My questions:
1. Would you rather have a great offline game now and a great online game soon, OR have a great offline game with a lame, bug ridden online game now, OR have no game now and wait 6-12 months to get the same great offline game that you could have now, as well as the same great online game you'd have in six or so months anyway. It's not as if they've said "No online ever..."
2. It sounds like many of you have forked out good money for GT4

.
Considering that it's basically a demo of GT4, was it worth the money?
If GT4 is that good offline, and the online release promises to be just as good, wouldn't you buy it? You've got six months to save the pennies.
Complain about PD double dipping, ripping you off, whatever floats your boat. The simple truth according to PD is that they don't want to dump us with a crap program, but they don't want to hold off the nearly finished offline mode either. I think it's a wise decision.
Besides, who says the online release will be expensive. It may be simply an addon CD that enables onlnine mode for your current game. Nobody has said that it will be a complete GT4 game itself.
Yeah, you might be upset. Yeah, you might think PD sucks. None of it is going to make 9 months of software tweaking happen by December. Live with it.
If you don't like it, wait until they do release it.
Until then, I'll be enjoying single player mode to my heart's content!