IMac Still Has Video Problems after Upgrade

I did the firmware and software upgrade to my iMac, which was supposed to fix the video problem, however the problem continues. I am using OS 10.4.11. My computer never "froze" however the screen went haywire. I would have to do a soft restart (if I could find the restart dropdown window) or I would have to do a hard restart. Now I can do a screen refresh to do a soft restart.
Is Apple aware the these Intel iMacs are a POS? I use it for 3D design and I can't work more than 10 minutes before my screen starts going wacko. I've used Macs since 1985 and this is the first POS Mac i've owned. I don't want to have to get another computer, I can't afford it.
Any others out there with the same problem? Any solutions?
Thanks

I like AppleCare, as you get three years of that unlimited phone support. I know many consider it just another extended warranty, but note it can be legitimately purchased at a discount.
Amazon, retail computer stores, also a number of sellers abound online and on eBay, and a price mentioned by someone else on here two years ago that hasn't changed since then - check out L. A. Computer Company, online - you might be surprised!
(I have no affiliation with them.)

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3.06 GHz Intel Core 2 Duo
4GB 1067 Mhz RAM
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Also, all usb devices are disconnected and the problem still there
Below you will see a copy of the console report. I honestly don't understand much of it as i'm not a computer guy.
27/07/2013 11:03:39.837 WindowServer[119]: Created shield window 0xb3 for display 0x04272d40
27/07/2013 11:03:39.837 WindowServer[119]: device_generate_desktop_screenshot: authw 0x7fad92c79dc0(2000), shield 0x7fad92c34370(2001)
27/07/2013 11:03:39.906 WindowServer[119]: device_generate_lock_screen_screenshot: authw 0x7fad92c79dc0(2000), shield 0x7fad92c34370(2001)
27/07/2013 11:03:41.701 WindowServer[119]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7fad92c79dc0(2000), shield 0x7fad92c34370(2001), lock state 3
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27/07/2013 11:03:41.704 WindowServer[119]: Created shield window 0xb4 for display 0x003f003d
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27/07/2013 11:03:41.704 WindowServer[119]: handle_will_sleep_auth_and_shield_windows: err 0x0
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27/07/2013 11:03:52.118 loginwindow[43]: find_shared_window: WID -1
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27/07/2013 11:04:04.483 loginwindow[43]: CGSSetWindowTags: Invalid window 0xffffffff
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27/07/2013 11:04:04.726 WindowServer[119]: device_generate_desktop_screenshot: authw 0x7fad92ebdb20(2000), shield 0x7fad92e6eef0(2001)
27/07/2013 11:04:04.795 WindowServer[119]: device_generate_lock_screen_screenshot: authw 0x7fad92ebdb20(2000), shield 0x7fad92e6eef0(2001)
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27/07/2013 11:04:05.253 com.apple.launchd.peruser.502[163]: (com.akamai.client.plist[744]) Bug: 12E55: launchd + 95444 [7DCC9489-2DF5-3807-83FA-EF5666EE8078]: 0xd
27/07/2013 11:04:05.249 WindowServer[119]: Created shield window 0xc0 for display 0x003f003d
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I'm now thinking to try to take the machine to its original firmware and see if it still does it, does anyone have any sugestion?
I use a lot photoshop and other image software, this computer is essential for my work. For more then one year this issue caused me problems.
Luckly i have a Macbook Pro too and i managed to do some of my work there. At last I was thinking to buy an external screen and attach it to the Macbook pro in order to work on my big images. But who wants to spend money again!!!???? This is not a fixture, this is silly. I wish to have my IMAc working again.
The warranty it's obviously over and this problem happened right after the warranty was over...
I write this post because i'm so tired of this issue and online nothing can be found apart from posts from so many people that have the same problem and no fixture has been found.
The only fixture seams to be to buy a new computer... Ole'!!!..new money flowing in in the cashier!! forget it!!! i would rather change company if apple doesn't respond to this.
For over 10 years i have been a Apple owner..
When this problem appears it's like someone it's playing a joke at you...
Comments welcome..
Thanks

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n

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<i>(Suspected spam link removed by Moderator. Please read the [[Forum rules and guidelines]] -m)</i>

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It sounds like you are unable to activate your iPhone after you reset it. I recommend the steps from the following article to help you get that resolved:
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