After firefox loads, the first web pulled in takes 4-5 minutes, then all the rest of the webs work normally. It doesn't matter what web i pull in first. I have norton360.

After Firefox loads the home page (google), the first web site I click in my bookmarks takes 4-6 minutes to come in. Clicking on screen makes it go half-tone until it loads. From then on, all other bookmarks come in fast. It doesn't matter what bookmark I load first, it always takes major minutes. I am using Norton 360 and have even disabled the security and web checking and it made no difference.

Okay, here's what I found out. Followed the above instructions...no joy. I think this maybe needs to be posted in a general OS forum, as I'm thinking this is more about that vs just being about iPhoto/iTunes. Here's what I tried and learned.
A new account allowed iPhoto to open up immediately. However, iTunes seemed a touch slow...not sure if that is just due to it being a new account. So, I deleted that account and moved on to the preferences instructions above.
I removed all preferences and placed them in a "preferences A" folder on the desktop. Launched iPhoto and got the exact same results. Super slow...took forever to open. Took forever to close. Same with iTunes.
So I placed all of the removed preferences back into the folder and decided to start launching and closing apps to see what's affected, what's not. Here are the findings.
iPhoto - The worst of all. Takes 4 minutes to open.
Mail - Opens fine, closes very slowly...apprx 1 minute
Calculator - This now opens incredibly slowly. Also noticed that the blue light below a launching app in the dock that seems to radiate was not radiating immediately....just sort of sat there. About a minutes passes, then it radiates for a second and calculator opens. Quitting is instant
Garageband - Launching is slooooow, quitting is instant.
Lightroom 3 - quitting is slow....quit results in upper-left menu items flashing once, then beach ball for about 30 seconds.
These apps check out perfectly fine with no problems launching or quitting: iCal, Safari, Firefox, Aperture, Photoshop (CS3), Illustrator (CS3), InDesign (CS3), Acrobat, Suitcase, Image Capture, Disk Utility, Text Edit, Photo booth, Final Cut Pro.
So I'm at a loss. This may be more of an OS issue, but figured I'd post here to follow up on the suggestions given. I think I'll pose a question in the OS forums. I'm thinking this might mean boxing up the iMac and making a trip to the genius bar. It's incredibly frustrating.

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