Photoshop CS5 considerably slow

I have Photoshop CS5 x64 for my Mac, and over CS4 and CS3, I have noticed a considerable speed decrease in how it runs and handles images. I mainly use it for photography work like RAW conversions and image editing. When I bring RAWs into Camera RAW, it takes PS about 1.5x slower than CS4 to import them. Then when i'm moving the sliders for each category, there is about a 1 second delay upon the image changing. Now when I did this in CS4, it was instant. Same with something as simple as moving from one image to the next in the thumbnails to the left of the screen, there is major lag when I want to move between images. Moving away from CameraRAW, when I try to open a batch of images straight into PS, it takes freakin' forever to do so, CS4 took about half the time to import a nice sized batch, it's rediculous. Why is PS so slow, is it just because it's fresh out of the box and needs an update?

Could be because it is version X.0, and there are always plenty of bugs in Adobe software until they start to release the first updates.

Contact Adobe with your concerns and they may address the problem if enough people point it out

I find CS5 runs smoother and faster than any other versions I have used.

iNAP said:

I find CS5 runs smoother and faster than any other versions I have used.

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Same but I haven't had the chance to work with any RAW files yet, so that might be a different story. >_>"